Psych

Question 1

differentiate between suicide and deliberate self harm

Answer 1

suicide = intentional self-inflicted death
DSH = intention, non-fatal self-inflicted harm

Question 2

what factors make someone more likely to attempt suicide?

Answer 2

mental illness, in particular: 
depression
bipolar disorder
schizophrenia
alcohol/substance misuse
emotionally unstable personality disorder
anorexia nervosa

also:
chronic pain/disease
availability of means (ligature points, firearms, paracetamol pack size reductions)
family history of suicide
lack of social support or recent adverse event (bereavement, loss of job/relationship)

Question 3

give some suicide prevention strategies

Answer 3

• detect and treat mental illness
• be alert to risk and respond to it - lots of people see GP in the weeks preceding suicide
• safer prescribing - avoid prescribing drugs with high overdose toxicity to patients with suicide risk
• urgent hospitalisation/detention for people with suicide intent
• careful management of DSH - high risk of future completed suicide
• tackle population factors like unemployment, access to means

Question 4

describe epidemiological differences between who self harms and who completes suicide (e.g. by age, sex etc)
also give some of the common methods for each

Answer 4

suicide - M > F, older single men big risk. hanging most common method in UK, others incl jumping in front of train/car, poisoning
DSH - F > M, more common in women, under 35s, lower social classes and single/divorced
means - mostly drug overdose or physical self-injury e.g. cutting or stabbing

Question 5

give four different categories that motives behind DSH can broadly be categorised into

Answer 5

• desire to interrupt a sequence of events seen as inevitable or undesirable
• need for attention
• attempt to communicate
• true wish to die

Question 6

what are indicators of high risk in a suicide/DSH history

Answer 6

leaving a note, making a will, continued determination to die, marked feelings of hopelessness, precautions taken against discovery, high lethality risk (either objective, or patient believes! i.e. 3 paracetamol is high risk if patient believed that’s lethal dose)

also if older, male, unemployed, socially isolated
hx of previous attempts/DSH - biggest indicator of future completed suicide

Question 7

list the different options for management of DSH

Answer 7

MEDIATE
Medically stabilise
Establish rapport
Diagnose and treat mental illness
Iatrogenic risk - prescribe safely (e.g. SSRIs rather than tricyclics)
Assess likelihood of recurrence:
Thoughts might return? = make a plan
Evaluate social problems

basically want to reduce risk of them doing it again, ensure treatment of underlying mental illness is either started or continued, address any social problems and make sure they know what to do if they feel like they might do it again - e.g. come to A&E, contact crisis team - do they need admission?
DBT good for repeated DSH in EUPD

Question 8

what are the main areas to consider in a psychiatric risk assessment?

Answer 8

risk to self
risk to others
risk of self neglect/accidental harm
vulnerability to abuse

risk should be regularly reviewed as it fluctuates
remember past behaviour biggest predictor of future risk!!

Question 9

what would you document when assessing risk to self?

Answer 9

• current suicidal thoughts, plans and intent
• anything that prevents patient acting on these thoughts eg. family, religion (protective factors)
• prev eps of DSH - circumstances, methods, management
• factors predisposing to DSH/suicide (FHx, social isolation, substance misuse etc)
• hx of disengagement from support services, whether they’re currently willing to engage

in MSE look for thoughts of hopelessness/worthlessness, command hallucinations inciting self-harm

Question 10

what would you document when assessing risk to other?

Answer 10

• acts or threats of violence - to whom, frequency, severity, methods used, any serious harm resulting
• deliberate arson
• sexually inappropriate behaviour
• episodes of containment (compulsory detention, treatment in hospital, secure unit, locked ward, prison, police station)
• compliance with prev and current treatment - note past disengagement

Factors increasing risk:

• recent stopping prescribed drugs
• change in use of recreational drugs
• alcohol/substance misuse
• impulsive or unpredictable behaviour
• recent stressful life events, change in personal circumstances, lack/loss of social support

in MSE:

• expressed violent intention or threats
• irritability, disinhibition, suspiciousness
• persecutory delusions
• delusions of control/passivity phenomena
• command hallucinations

Question 11

give examples of self-neglect/accidental injury someone with mental illness could be at risk of

Answer 11

• malnutrition - forgetting to eat, eating out of date foods
• failure to access healthcare
• living in squalid conditions
• falls - physical frailty, drug/alcohol intoxication
• failure to take safeguards against fire/explosion e.g. cigarette burned bed sheets, leaving gas on)
• wandering, poor road safety
• accidental overdose/not taking meds
• vulnerability to crime due to leaving door open, persistently losing key or inviting strangers in

Question 12

give examples of abuse someone with mental illness could be at risk of

Answer 12

abuse = single or repeated lack of appropriate action occurring within any relationship where there is an expectation of trust and which causes harm or distress to a vulnerable person
may be verbal, physical, financial or sexual, or neglect
- people in institutions are at risk
- also occurs in private homes
make sure carers aren’t having to deal with verbal/physical abuse from patient

Question 13

what acronym can you use to remember factors affection risks to vulnerable adults?

Answer 13

HOW SAFE?
HOme safety e.g. leaving gas on
Wandering

Self neglect e.g. poor self care
Abuse, neglect, crime vulnerability
Falls
Eating - malnutrition

Question 14

describe steps that should be taken in immediate management of a violent patient

Answer 14

• consider if admission necessary, need for MHA assessment - PICU, secure ward?
• staff will be trained in breakaway techniques (to exit situation) and also in respectful restraint (talking down always first)
• medication e.g. benzodiazepines and/or antipsychotics e.g. midazolam (short acting), lorazepam (intermediate acting)
• seclusion if needed

Question 15

what acronym can you use to remember immediate management of violence?

Answer 15

BE CAREFUL
Breakaway
Evaluate and talk down

Control and restraint
Assess need for medication to sedate and/or treat disorder
RE-evaluate setting - higher security?
FULly review care plan

Question 16

what steps can be taken to prevent future violence after a violent incident?

Answer 16

WARN
Write risk incidents in notes
Assess in safe environment
Read documentation before assessing
Notifying professionals involved of risks

communication between agencies, good use of care plans, monitoring level specific to that patient’s needs

Question 17

in the context of a risky patient, when is it appropriate to break confidentiality?

Answer 17

• if aware of specific threat to named individual - must inform that person (and probably also the police)
• rarely, can justify breaking in name of public interest e.g. to assist in prevention, detection or prosecution of serious crime
• also must report significant abuse causing harm to children and vulnerable adults - to social services or police if severe

Question 18

explain the mechanism of action of ECT

Answer 18

induction of a modified cerebral seizure - patient undergoes a series of these (e.g. twice a week for 4-12 sessions)
effects include (nobody really knows):
neurotransmitter release - serotonin, noradrenaline, dopamine
transient increase in blood-brain-barrier permeability
modulation of neurotransmitter receptors
synaptogenesis and neurogenesis
hypothalamic and pituitary hormone secretion

Question 19

explain the legal aspects of ECT

Answer 19

if a patient with capacity refuses it, it cannot be given - not even if under section.
patient must give informed consent before each session
or can be given if:
pt lacks capacity and it doesn’t conflict with advanced decision
AND it’s an emergency and independent consultant has not yet assessed
OR
independent consulted appointed by mental health act commission agrees

Question 20

what are some indications for use of ECT?

Answer 20

• severe depression (this is the main one)
• prolonged or severe episode of mania that doesn’t respond to treatment
• catatonia
• moderate depression not responsive to multiple drug and psychological therapies

must only be used to induce fast and short-term improvements of severe symps after all other options failed
patients usually need subsequent treatment to prevent relapse

Question 21

what are some relative contra-indications to ECT?

Answer 21

raised ICP
recent stroke
recent MI
unstable angina

Question 22

how is ECT given?

Answer 22

patient fasts for 4 hours
anaesthetist gives short-acting anaesthetic + muscle relaxant + preoxygenation
psychiatrist then runs electric current through electrodes on head
induces seizure - lasts 20-60s, monitor EEG and movement
monitor during recovery

typically twice a week for 4-12 sessions depending on response

Question 23

give some side effects of ECT

Answer 23

• cognitive impairment is the biggie - cognition should be assessed before, during and after a course of treatment
• if significant impairment - consider switching electrode placement, reducing stimulant dose or stopping treatment
  also:
• anaesthetic complications
• dysrhythmias due to vagal stimulation
• post-ictal headache
• confusion
• retrograde and anterograde amnesia - difficulties in registration and recall may persist for several weeks

Question 24

explain a bit about the newer methods of brain stimulation

Answer 24

transcranial magnetic stimulation (TMS) - prefrontal cortex stimulation by application of strong magnetic field - shows promise for depression
vagal nerve stimulation - used in epilepsy and refractory depression - generator implanted under skin used to electrically stimulate the nerve
deep brain stimulation - thin electrode inserted directly into brain - used in Parkinsons, research into its role in OCD

Question 25

what are the first and second rank symptoms for schizophrenia? (ICD 10)

Answer 25

ICD 10 says need these for >1 month first rank (any one = schizophrenia): - persecutory delusions - delusions of reference - delusional perception - thought insertion/withdrawal/broadcast - passivity (made act, thought or feeling) - somatic passivity - third person auditory hallucinations (discussing them/running commentary) second rank (any two) - any persistent hallucination - neologisms (made-up words) or other forms of disorganised speech/thought disorder - 'negative' symptoms e.g. apathy, poverty of speech, blunted affect

Question 26

what is 'psychosis'? give some examples of psychotic disorders

Answer 26

losing touch with reality - misperception of thoughts/ perceptions arising in the patient's own mind as reality - includes delusions and hallucinations - symptom rather than a diagnosis e.g. schizophrenia, delusional disorder, schizoaffective disorder, psychotic depression and bipolar affective disorder

Question 27

what are the positive symptoms of schizophrenia?

Answer 27

delusions - persecutory, or delusions of reference hallucinations formal thought disorder (disorganised sepech) e.g. neologisms

Question 28

what are the negative symptoms of schizophrenia?

Answer 28

``` poverty of speech flat affect poor motivation social withdrawal lack of concern for social conventions poor attention and memory (cognitive symptoms) ```

Question 29

what are the DSM 5 criteria for schizophrenia?

Answer 29

at least two of following, including 1 positive symp (1-3), for at least 6 months: 1) delusions 2) hallucinations 3) disorganised speech 4) disorganised or catatonic behaviour 5) negative symptoms

Question 30

what are the different subtypes of schizophrenia according to ICD 10 (DSM 5 doesn't have subtypes)?

Answer 30

- paranoid schizophrenia - most common, delusional and auditory hallucinations - catatonic - psychomotor disturbances e.g. rigidity, posturing, echolalia, echopraxia - hebephrenic aka disorganised - early onset, poor prognosis, irresponsible behaviour, mood inappropriate, affect incongruous e.g. lots of giggling etc, fleeting delusions and hallucinatiosn - residual - history of one of the ones above, but currently it's mostly just negative symptoms - simple schizophrenia - negative symps without preceding overt psychotic symptoms - rare

Question 31

what features might suggest someone is at risk of an acute psychotic illness?

Answer 31

- prodromal period - symptoms of anxiety, depression, ideas of reference (feelings of being watched) - person that's distressed, with declining social functioning and transient psychosis - at risk - consider CBT and treatment of comorbid conditions, but antipsychotics not appropriate

Question 32

aetiology/risk factors of schizophrenia?

Answer 32

- genetics - definite familial element - advancing paternal age - to do with germ line mutation in dad - neurodevelopmental hypothesis - factors interfering with early brain development increase risk e.g. obstetric complications - social factors - SE deprivation, urbanity, excess of life events in 3 weeks before symptoms (e.g. bereavement, loss of job etc) - early cannabis use - ethnicity - afro-caribbean/black african at higher risk - those in families with high expressed emotion - neurochemical changes- possible final pathway involving dopamine excess

Question 33

what are the key components of management of acute schizophrenia?

Answer 33

early intervention is key antipsychotics - normally kick in within 2-3 weeks, gradually becoming more effective - benzodiazepine used to sedate/keep calm in mean time. psychology - self-help, psychoeducation (education of family helps!) social - support, focus on engagement, hope, reduce stigma. early intervention team support people in first few years of illness. aim for community treatment but may require admission/detention - for assessment and treatment.

Question 34

describe management options for schizophrenia in terms of reducing risk of relapse and promote long-term recovery after controlling an acute psychotic episode

Answer 34

maintenance treatment on antipsychotics psychology - family therapy to reduce expressed emotion if present, also CBT for schizophrenia. art therapy. support to reduce substance misuse, gain employment/study and find accommodation

Question 35

describe the role of medication in treatment of schizophrenia

Answer 35

after single acute episode - antipsychotics started and should be continued for 12-24 months before tailing off if they remain well - don't stop earlier as massive risk of relapse, but if well don't keep on forever either due to risk of tardive dyskinesia etc. typical and atypical effective but different side effects. trial a drug for 4-6 weeks before deciding whether to up it or switch. IM/depot used if non-compliance or patient preference. clozapine is saved for if failed to respond to 2 other drugs - requires regular bloods. antipsychotic/benzodiazepine sedation if agitated/violent. negative symptoms not improved by clozapine or other antipsychotics!

Question 36

describe the role of psychological treatment for schizophrenia

Answer 36

should all be offered individual CBT for schizophrenia - alleviates distress and disability, doesn't focus on eliminating voices etc, more on strategies to cope with them e.g. playing music, how to respond to them. family therapy to reduced excessive expressed emotion. art therapy - particularly for negative symptoms. self-help groups e.g. Hearing Voices group.

Question 37

describe the role of social support/interventions in treatment of schizophrenia

Answer 37

schizophrenic patients often struggle with day to day life so social support/rehab really important. - need to help them get back to work/study and appropriate accommodation to give them a good QoL. - if work not poss - volunteering or day centres to provide structure - often require supported living requirement and/or extensive rehab focussed on maximising independence

Question 38

list some good prognostic factors for a person with schizophrenia

Answer 38

``` FINDING PLANS: Female In relationship, good social support No negative symptoms aDheres to medication Intelligence (more educated) No stress Good premorbid personality ``` ``` Paranoid subtype Late onset Acute onset No substance misuse Scan (CT/MRI brain) normal ```

Question 39

give some differential diagnoses for a patient presenting with schizophrenia vibes

Answer 39

``` delusional disorders psychotic depression manic episode schizoaffective disorder schizotypal disorder puerperal psychosis ``` organic disorders - substance misuse, drug-induced psychosis, iatrogenic (levodopa, methyldopa, steroids, antimalarials), complex partial epilepsy, delirium, dementia, Huntington's disease, SLE, syphilis

Question 40

what drugs can cause a patient to become psychotic?

Answer 40

steroids, levodopa, methyldopa, antimalarials, isoniazid

Question 41

what is "high expressed emotion" and what does it mean in relation to schizophrenia?

Answer 41

families with high expressed emotion = more at risk of schizophrenia, much more at risk of relapsing as well. expressed emotion is intensity and amount of emotional involvement of the family with the patient - e.g. overbearing, lots of critical comments etc. theory is that family therapy focussed on reducing this can reduce relapses. note that if expressed emotion too low, this exacerbates negative symptoms of apathy and withdrawal.

Question 42

list some factors associated with poor prognosis of schizophrenia

Answer 42

demographics: - young age at onset (<25 yrs) - male - isolated, unmarried - poor work record - premorbid personality disorder - substance misuse illness characteristics: - insidious onset - prolonged untreated psychosis (early intervention is key!!!) - disorganized subtype - no mood disturbance - early negative symptoms - non-compliance with medication

Question 43

list some biological vs psychological risk factors for schizophrenia

Answer 43

biological: - FHx - obstetric complications - season of birth - advancing paternal age - early cannabis - may be precipitating, also psychoactive substance use in general is a maintaining factor psychological: - life stressors (precipitating and/or maintaining) - high expressed emotion in family (maintaining) - social - poverty - urban birth/upbringing - migration

Question 44

briefly outline the dopamine hypothesis of schizophrenia

Answer 44

excess of dopamine transmission (hyperdopaminergia) in schizophrenia (unclear if due to excess dopamine, excess receptors or what) they think this cos: - antipsychotic drugs are all dopamine D2 receptor antagonists - dopamine agonists (e.g. levodopa, amphetamines) can produce paranoid psychosis - some CSF and brain studies have shown abnormal levels of dopamine/metabolites/enzymes/receptors

Question 45

what is schizoaffective disorder?

Answer 45

affective and schizophrenic symptoms occur together with equal prominence used for patients who satisfy criteria for schizophrenia AND mood disorder during the same episode - otherwise diagnosis predominant syndrome (or neither!) i.e. one first-rank symptom in mania doesn't mean schizoaffective disorder, neither does a bit of a labile mood in schizophrenia

Question 46

what is the management and prognosis of schizoaffective disorder?

Answer 46

use a combo of mood stabilisers (e.g. lithium) and antipsychotics to treat the mood and psychosis problems. prognosis - somewhere between those for schizophrenia and mood disorder - better in those whose mood problem is mania rather than depression

Question 47

what are delusional disorders? what kind of delusions is it normally?

Answer 47

fixed delusion or delusional system (associated delusions) with other areas of thinking and functioning well preserved. so basically have delusions but not hitting criteria for schizophrenia and also don't have organic cause. usually persecutory delusions - hallucinations rare.

Question 48

what is acute delusional disorder? what are the clinical features?

Answer 48

acute onset of delusions, not schizophrenia though, usually rapidly resolving. features - multiple, transient, persecutory delusions, suspicious, labile mood. can be caused by drugs (in which case not actually delusional disorder!) or follow extreme stresses.

Question 49

what is persistent delusional disorder? what are the features of this?

Answer 49

lasting 3+ months - systematised delusions (stable and combined into a complex system) often focussed on alleged injustices. but rest of mental state is normal. onset usually middle age - social isolation, deafness, paranoid personality traits are risk factors.

Question 50

what are the specific (mostly eponymous) types of delusional disorder?

Answer 50

``` Othello's syndrome aka morbid jealousy somatic delusional disorder de Clerambault's syndrome aka erotomania folie a deux Capgras delusion Fregoli's delusion ```

Question 51

what is Othello's syndrome?

Answer 51

type of delusional disorder where patient (normally male) has delusional belief of partner being unfaithful. can be dangerous - they often threaten/attack partner or supposed lover. usually symptom of psychotic depression of schizophrenia but can be isolated delusional disorder. considered risky enough to overrule confidentiality - must do full risk assessment.

Question 52

what is somatic delusional disorder?

Answer 52

delusional belief that the personal has an illness/deformity - aka monosymptomatic hypochondriacal psychosis - generally fixed on one specific illness - distinguishes from hypochondriasis.

Question 53

what is de Clerambault's syndrome?

Answer 53

aka erotomania - patient, usually female, has delusion that man of high standing (e.g. pop star, or their doctor) is in love with her. seen in some stalkers.

Question 54

what is folie a deux?

Answer 54

when two people, often isolate sisters, share a delusion - one is truly psychotic while other is 'induced' to become so and will normally recover spontaneously when they're separated.

Question 55

what is Capgras' delusion?

Answer 55

aka illusion des soisies | belief that someone close by has been replaced by imposter/double

Question 56

what is Fregoli's delusion?

Answer 56

belief that someone close to them is impersonating other people.

Question 57

what is schizotypal disorder? what are the key features?

Answer 57

``` like a chronic, attenuated schizophrenia - beliefs stop short of being delusion, sensory experiences not quite hallucinatory. features: - aloof and suspicious manner - eccentric behaviour - avoidance of social contact - odd beliefs, magical thinking - vague, rambling or metaphorical speech - tendency to odd ideas and sensory experiences - 3+ of the above for >2 years ```

Question 58

what are the core symptoms of depression?

Answer 58

ICD-10 states should have at least two of these, every day for at least two weeks: 1) low mood 2) anhedonia - loss of enjoyment in formerly pleasurable activities 3) decreased energy (or increased fatiguability)

Question 59

list some of the non "core" symptoms of depression

Answer 59

- reduced concentration and attention - cognitive features - reduced self-esteem and self-confidence - ideas of guilt and worthlessness - feelings of hopelessness for the future - thoughts of self-harm - decreased sleep and/or appetite severity of depression (mild/moderate/severe) depends on: - no. symptoms present - severity of symptoms - degree of associated distress - interference w/ daily activities any psychotic features = severe.

Question 60

what is Beck's cognitive triad?

Answer 60

the three main areas focussed on by negative/pessimistic thoughts in depression: 1) the self (low self esteem) 2) the world 3) the future other areas incl. guilt/worthlessness, death/suicide

Question 61

give some biological symptoms of depression

Answer 61

reduced sleep - classically early waking >2hrs earlier than normal - mood is lowest in morning as well (diurnal variation) reduced appetite - leading to weight loss (some people experience overeating and weight gain) reduced libido psychomotor agitation/retardation/both - of speech and/or movement

Question 62

what kinds of delusions/hallucinations are typically experienced in severe depression?

Answer 62

usually nihilistic - believe that they/a body part is dead/rotting also hypocondriacal - concerning illness or death hallucinations - usually auditory, in second person and derogatory or urging suicide.

Question 63

give some differentials for depression

Answer 63

- normal sadness, esp in context of bereavement or severe physical illness - if psychotic symps - differentiate from schizophrenia - alcohol or drug withdrawal - if recurrent depressive episodes = unipolar depressive disorder (consider bipolar dx even when no mania if really strong FHx, v early onset and marked agitation)

Question 64

describe the aetiology of depression

Answer 64

- genetic contribution, particularly if bipolar. - current theory is genetic predisposition that will be triggered if exposed to adverse life events - monoamine neurotransmitter availability in synaptic cleft reduced (noradrenaline and serotonin) - this is where antidepressants act - psychosocial factors - adverse life events, unemployment, lack of confiding relationship, parental loss, major childhood stress/abuse - physical illnesses (most endocrine things, cancers) and medications (incl steroids, isotretinoin) - structural features - limbic system and prefrontal cortex play a role

Question 65

when would you refer a depressed patient for management beyond GP land

Answer 65

if: - pt not responding to treatment - substantial risk of harm to self or others - second opinion on diagnosis/treatment needed - combo of drugs or rarely used drugs being considered - to access specialised psychology, OT etc - pt is severely unwell and admission or ECT needed

Question 66

describe management of depression

Answer 66

mild = self-help groups, structured physical activity, guided self-help, computerised CBT next step = individual CBT or IPT moderate/severe = combine CBT and antidepressants - technically shouldn't just be on meds! always keep on antidepressants for at least 6 months after episode to reduce relapse - if recurrent depression, keep on for at least a couple of years if treatment resistant - consider augmenting with antipsychotic or lithium or another antidepressant (E.g. mirtazipine) still not working - consider ECT

Question 67

what psychological treatment options are recommended by NICE for moderate-severe depression / persistent mild depression?

Answer 67

individual CBT/IPT/behavioural activation - 16-20 sessions over 3-4 months behavioural couples therapy (where relevant) - 15-20 sessions over 5-6 months

Question 68

what is 'somatic syndrome' in relation to depression?

Answer 68

physical/biological manifestations of depression - psychomotor retardation (slow movements and thinking), agitation, loss of libido, constipation, amenorrhoea

Question 69

what is dysthmia?

Answer 69

long standing mild/subthreshold depressive symptoms

Question 70

what is Cotard's syndrome?

Answer 70

nihilistic delusions where patient believes they, or a part of them, is dead - common in psychotic depression.

Question 71

what are the symptoms of psychotic depression?

Answer 71

Cotard's syndrome/nihilistic delusions auditory hallucinations - derogatory or encouraging DSH/suicide severe psychomotor retardation - to point of 'depressive stupor' - sitting mute and still (?indication for ECT)

Question 72

list some factors that might affect choice of management options in depression, and what each one implies

Answer 72

- serious suicide risk = consider admission, drug rx w/SSRI not TCA as less toxic in overdose - psychotic symps? = add antipsychotic, consider ECT - what are the main symptoms? = can affect drug choice e.g. sedative antidepressant (mitrtazapine) if insomnia - past hx of response? = use what worked last time - past hx of mania? = caution with antidepressants, consider mood stabiliser - any comorbid medical problems? = avoid TCAs after recent MI - what does patient want? = might have preference for drug vs psychology

Question 73

give some options for managing someone with depression that has not responded to first line drug treatment

Answer 73

- switch class e.g. from SSRI to SNRI, or try another drug within the same class - add psychological therapies if haven't already - trial mirtazapine - augment - add mirtazapine to an SSRI - useful for insomnia/agitation; add lithium; add second-gen antipsychotic e.g. olanzapine or quetiapine esp. if psychotic symptoms, agitation or insomnia - switch to an MAOI, esp if atypical depression - psychiatric referral - consider ECT for severe and intractable

Question 74

what is bipolar affective disorder?

Answer 74

characterised by recurrent episodes of altered mood and activity - episodes of depression and mania episodes are either - depressive, manic, hypomanic, mixed

Question 75

define hypomania

Answer 75

less severe than mania and without psychotic symptoms. lasts >4 days (mania tends to be >7 days) core features are mild or moderate dysfunction only mild or moderate partial insight preserved no psychotic features they basically have excess 'zest for life' and energy, but are just about holding it together people who's mood never exceeds hypomania are said to have bipolar II disorder (DSM)

Question 76

define mania

Answer 76

mood that is predominantly elevated, expansive or irritable and definitely abnormal for the individual. plus 3 of the following: - increased activity or physical restlessness - pressure of speech - flight of ideas - socially disinhibited/inappropriate behaviour - decreased need for sleep - inflated self-esteem/grandiosity - distractibility/constant changes in activity or plans - risky/reckless behaviour - marked sexual energy/inappropriate sexual behaviour can have psychotic features - mood congruent, grandiose e.g. blessed with special powers, might hear voices supporting this

Question 77

what is cyclothymia?

Answer 77

mild, chronic bipolar variation of mood - cycle between the two states, but only mildly

Question 78

give some organic causes of depressive mood disorders

Answer 78

``` Cushing's Addison's hypothyroidism hypercalcaemia DM beta blockers carcinomas digoxin chronic amphetamine use ```

Question 79

give some organic causes of manic mood disorders

Answer 79

``` hyperthyroidism steroids acute amphetamine use levodopa antidepressants bromocriptine isoniazid ```

Question 80

give some organic causes of either manic or depressive mood disorders

Answer 80

``` MS cerebrovascular disease SLE epilepsy brain tumours ```

Question 81

explain aetiology of bipolar affective disorder

Answer 81

- genetic link really strong - no childhood risk factors known - some structural abnormalities implicated e.g. in limbic system - always consider drug-induced mania

Question 82

how do you manage a manic patient?

Answer 82

if severe, can require admission (usually compulsory) antipsychotics (risperidone, olanzapine) or valproate and lithium are all effective anti-manics. benzodiazepines for sedation if on antidepressant already - MUST stop if on lithium already - check levels to assess adherence ECT if intractable

Question 83

how do you manage a bipolar patient in a depressive episode?

Answer 83

quetiapine (atypical antipsychotic) can be highly effective - sedation and weight gain limits long term acceptability antidepressants typically less effective - must be used with mood stabiliser/antimanic agent or else they can destablise and precipitate mania lamotrigine can help if severe - antipsychotics, ECT and admission could all be needed

Question 84

what longer-term drug management options are there for bipolar affective disorder?

Answer 84

mood stabilisers - lithium first-line | valproate second-line

Question 85

what needs to be done when starting someone on lithium?

Answer 85

- advise the person that poor adherence or rapid discontinuation may increase the risk of relapse - measure BMI and do for U&Es incl calcium, eGFR, TFTs, FBC - ECG for people with CVD or risk factors for it - give leaflets etc on taking lithium safely - establish a shared-care arrangement with GP for prescribing lithium and monitoring adverse effects - measure plasma lithium 1 week after starting, and 1 week after every dose change until they stabilise tell patient to: - seek medical attention if they develop D&V or become acutely ill for any reason - ensure they maintain their fluid intake, particularly after sweating (for example, after exercise, in hot climates or if they have a fever), if they are immobile for long periods or if they develop a chest infection or pneumonia - talk to their doctor ASAP if they become pregnant or are planning a pregnancy. - don't take OTC NSAIDs - avoid prescribing them too

Question 86

what monitoring is required for a patient on lithium (after stable levels)?

Answer 86

measure plasma levels every 3 months for first year after first year measure every 6 months, or every 3 months for people in the following groups: - older people - people taking drugs that interact with lithium - people who are at risk of impaired renal or thyroid - function, raised calcium levels or other complications - people who have poor symptom control - people with poor adherence - people whose last plasma lithium level was 0.8 mmol per litre or higher monitor BMI, U&Es (specifically calcium), eGFR, TFTs every 6 months at each appt, ask about symptoms of neurotoxicity, including paraesthesia, ataxia, tremor and cognitive impairment, which can occur at therapeutic levels of lithium

Question 87

what is puerperal psychosis? treatment? risk factors?

Answer 87

occurs in 1-2 in 1000 births - psychosis in postpartum period. usually onset in second postnatal week. baby at risk either of direct harm due to mum's delusions, or of neglect due to mum's preoccupation with her own symptoms. almost always requires admission - MBUs! Rx = antipsychotics, antidepressants, low threshold for ECT usually full recovery, big increase in risk after next delivery/in lifetime. RFs - past or family Hx of puerperal psychosis, diagnosis of bipolar affective disorder, being primigravida

Question 88

what are baby blues?

Answer 88

tearful, labile, irritable mood typically on 3rd/4th postnatal day symps resolve within days without treatment - explanation and reassurance helpful though. no association with other mood disorders. thought to be due to fall in sex steroids after delivery.

Question 89

what is PND? tool to screen for it? treatment?

Answer 89

starts within a month of delivery - negative thoughts focussed on perceived failings of mother or baby's wellbeing. use edinburgh PND score. Rx - explain and reassure. consider interventions for mother-baby relationship. mother's groups, midwife, health visitor. consider antidepressants or psychology if moderate/severe - otherwise should resolve on its own within a few weeks. if admission - MBU. it's more common in women with hx of psychiatric disorder - change in sensitivity of dopaminergic system implicated.

Question 90

what are the characteristic features of 'normal' grief?

Answer 90

5 classic stages: Denial: this may include a feeling of numbness and also pseudohallucinations of the deceased, both auditory and visual. Occasionally people may focus on physical objects that remind them of their loved one or even prepare meals for them Anger: this is commonly directed against other family members and medical professionals Bargaining Depression Acceptance

Question 91

how do you manage the normal grief reaction? when is it an 'abnormal' grief reaction?

Answer 91

bereavement counselling and support - often voluntary sector has a role here. abnormal grief: 1) absent/delayed - either no outward signs of grief, or grieving doesn't begin for a few weeks 2) prolonged - if prominent symptoms after 6-12 months - begin to consider whether this is depression 3) excessive - more intense than would be expected - although who are we to define this? - be vigilant for depression all of this is a bit of a grey area!!

Question 92

when is a substance regarding as being 'misused'?

Answer 92

if it produces physical, psychological or social harm

Question 93

what are the different categories of substance misuse?

Answer 93

"at-risk consumption" - (alcohol) intake at a level associated with increased risk of harm "harmful use" - misuse associated with health and social consequences but without dependence "dependence" - prolonged, regular use of substances e.g. alcohol, opioids, amphetamines can lead to dependence (addiction) and withdrawal syndromes "intoxication" - acute effect of the substance e.g. being drunk or high

Question 94

list commonly misused substances by 'type'

Answer 94

alcohol legal/prescribed drugs - benzodiazepines, nicotine, caffeine, cannabis opioids - heroin, morphine, methadone stimulants - amphetamines, cocaine, ecstasy hallucinogens - LSD, phencyclidine (PCP), solvents

Question 95

what are the main principles of managing substance misuse?

Answer 95

- identify at-risk consumption and harmful use early and give accurate info and advice - in dependency, facilitate withdrawal (detox) and abstinence - help maintain abstinence - if abstinence not possible, minimise harm with continuing use - treat complications e.g. drug induced psychosis - prevention - population-level interventions e.g. pricing policies - advise on risks and legalities of driving under influence

Question 96

give some aetiological/risk factors for substance abuse

Answer 96

- genetic - inherited vulnerability/predisposition - neurobiological - abnormalities in dopamine, GABA, endogenous opioid systems, trait EEG patterns - psychological - personality factors, learned behaviours, positive reinforcement (drugs lead to behaviours that increase their use) - socioeconomic - price and availability, cultural norms/acceptability - legal - restrictions on sale, penalties for possession/dealing

Question 97

what are the definitions of different levels of drinking in UK?

Answer 97

hazardous = above recommended limits (14 units per week) harmful = >50 units p/w men, >35 units p/w women dependent drinking = people with features of dependence/addiction

Question 98

what are the clinical features of alcohol dependence/alcoholism?

Answer 98

- feeling compelled to drink - primacy of drinking over other activities e.g. work, family - increased tolerance - relief drinking - drinking to stop/prevent withdrawal symptoms - stereotyped pattern of drinking - reinstatement after abstinence aka unable to give up alcohol for long - drinking despite awareness of harmful consequences - withdrawal symptoms

Question 99

what are the clinical features of alcohol withdrawal?

Answer 99

onset 6-12 hours after stop drinking - tremors (the shakes) - agitation - nausea and retching - sweating - overwhelming desire to drink (craving) - withdrawal symps relieved by alcohol - might experience withdrawal symptoms on waking if severe, can progress to delirium tremens and/or seizures seizures peak onset = 36 hours DT at 48-72 hours

Question 100

what are the clinical features of delirium tremens?

Answer 100

onset at 48-72 hours - delirium - visual hallucinations (classically lilliputian aka little animals in corners etc) - delusions - usually persecutory and transient - fear and agitation, sometimes aggression - coarse tremor - seizures - autonomic disturbance (sweating, fever, tachycardia, hypertension) - insomnia - dehydration and electrolyte disturbance - lasts 3-4 days, then exhaustion and patchy amnesia POTENTIALLY FATAL

Question 101

what is Wernicke's encephalopathy?

Answer 101

triad of ophthalmoplegia/nystagmus, ataxia and confusion is classic. caused by thiamine deficiency - petechial haemorrhages occur in a variety of structures in the brain including the mamillary bodies and ventricle walls ``` Features: nystagmus (the most common ocular sign) ophthalmoplegia ataxia confusion, altered GCS peripheral sensory neuropathy ``` urgently treat with thiamine replacement

Question 102

what is Korsakoff's syndrome?

Answer 102

occurs if Wernicke's encephalopathy goes untreated. called Wernicke-Korsakoff syndrome - characterised by the addition of antero- and retrograde amnesia and confabulation in addition to Wernicke's encephalopathy symptoms.

Question 103

how can GPs screen for hazardous alcohol consumption?

Answer 103

- ask about alcohol intake during all consultations - use any of FAST, CAGE or AUDIT questionnaires - follow up on any comments suggesting patient thinks they drink too much - brief motivational interviewing has a role

Question 104

describe the use of screening tools/questionnaires in alcohol misuse

Answer 104

CAGE - 4 screening qus (cut down, annoyed, guilty, eye opener) FAST - 4 qus, if above certain threshold it's an indication for doing AUDIT AUDIT - 10 qu questionnaire SADQ - assesses severity of dependence

Question 105

list some harmful medical effects of alcohol

Answer 105

liver damage - fatty liver, hepatitis, cirrhosis cardio - cardiomyopathy, HTN GI - peptic ulcer, oesophageal varices, pancreatitis neoplasms - liver, oesophagus blood - anaemia, haemochromatosis

Question 106

list some harmful neurological/organic psychiatric effects of alcohol

Answer 106

``` blackouts epilepsy neuropathy DT Wernicke's syndrome Korsakoff's syndrome cerebellar degeneration central pontine myelinosis head injury (from falls) ```

Question 107

list some harmful psychiatric effects of alcohol

Answer 107

``` alcoholic hallucinations morbid jealousy alcoholic dementia depressive disorders anxiety disorders sexual dysfunction suicide ```

Question 108

list some harmful social effects of alcohol

Answer 108

``` accidents problems with relationships domestic violence employment difficulties crime ```

Question 109

what management should be done for someone with hazardous/harmful drinking?

Answer 109

usually brief interventions in primary care e.g. FRAMES advice - structured Feedback on risk/harm - emphasis patient's Responsibility for change - clear Advice on changing drinking - discuss Menu of options for making change - express Empathy and be non-judgement - reinforce patient's Self-efficacy principles - accurately assess consumption, nature/extent of harm (e.g. do LFTs), give brief advice on hazards of excess, book in to review

Question 110

what is involved in managing an alcohol dependent patient through detox?

Answer 110

initial step = detox - controlled withdrawal, using reducing course of benzodiazepine (often chlordiazepioxide) if mild - withdraw at home ± chlordiazepoxide if moderate - at home, chlordiazepoxide over 5 days, thiamine supplementation (oral, IV if high Wernicke's risk) if severe/hx of DTs/seizures - higher doses of chlordiazepoxide and probs want them in hospital so you can manage seizures. IV thiamine.

Question 111

how do you manage a patient to maintain abstinence from alcohol after detox period?

Answer 111

- complete abstinence needed really - controlled drinking rarely works - regular LFTs and breath alcohol tests to monitor progress - encourage attending AA or other local groups - medications - disulfram (antabuse), acamprosate or opioid antagonists - disulfram = negative reinforcement - basically massively exaggerates hangover after hardly any alcohol - acamprosate = reduces craving for alcohol - opioid antagonists act on autonomic nervous system - psychology - offer CBT, social skills training, problem solving and motivational interviewing

Question 112

how does cannabis act on the brain?

Answer 112

derived from hemp plant THC = main psychoactive ingredient (tetrahydrocannabinol) acts on endogenous cannabinoid receptors in brain cannabis also contains cannabidiol - slightly antagonises effects of THC THC content varies - increasing in UK over time

Question 113

list the effects of cannabis

Answer 113

dose-related impairment in reaction time, info processing, coordination, motor performance, attention exaggeration of pre-existing mood mellowness and increased enjoyment of aesthetic experience distortion of sense of space and time reddening of eyes

Question 114

give some adverse health effects of cannabis

Answer 114

- anxiety and panic, esp in first time users - paranoid ideation, occasionally delirium - also in first time users typically - increased risk of road traffic accidents - risk of using other, more harmful drugs - possible increased risk of respiratory disease - can provoke angina in people with CVD - mild long-term cognitive impairment if heavy/regular use - doesn't cause dependence/withdrawal - some tolerance can occur, also 'psychological dependence' - early and heavy use = risk of schizophrenia

Question 115

what options are there to treat cannabis use?

Answer 115

CBT can reduce use but high rates of reuse within 6-12 months don't think anybody really gets treated for cannabis use unless it's insanely bad/they get drug-induced psychosis

Question 116

explain the pharmacology of opioids / what ones are used recreationally and how?

Answer 116

mimic endogenous endorphins and enkephalins - activate opioid receptors e.g. morphine, codeine, heroin, methadone highly addictive heroin causes intense euphoria - most commonly misused modes of use: - IV injection - risk of infections, thrombosis and phlebitis, also hep B and C, HIV - inhalation - snorting

Question 117

list the effects of opioids

Answer 117

``` euphoria analgesia drowsiness respiratory depression cough reflex suppression N&V bradycardia and hypotension lowering of body temp pupillary constriction constipation ```

Question 118

list some adverse of opioid misuse

Answer 118

- high levels of morbidity/mortality - IV injecting = infections, VTE, phlebitis, hep B/C, HIV - different routes have big influence on bioavailability, speed of onset, severity of dependence etc - makes it easy to accidentally OD! - suicide rate increased x14 - psych comorbidity, incl misuse of other substances - major negative social effects

Question 119

what features indicate dependence on opioids?

Answer 119

tolerance! develops rapidly - means OD is common, often fatal due to respiratory depression - makes pain management in opioid user difficult - high risk of OD after detox e.g. released prisoners

Question 120

list features of opioid withdrawal

Answer 120

``` onset within 8-12 hours of last dose, peaking 24-48h later and subsiding over 10 days (process longer for methadone) features (severe, but rarely life threatening): - craving - restlessness, insomnia - myalgia - sweating - abdo pain, D&V - dilated pupils, running nose and eyes - tachycardia - yawning - 'goose bumps' ```

Question 121

list some features suggesting opioid misuse

Answer 121

``` rhinorrhoea needle track marks pinpoint pupils drowsiness watering eyes yawning ```

Question 122

list some complications of opioid misuse

Answer 122

viral infection secondary to sharing needles: HIV, hepatitis B & C bacterial infection secondary to injection: infective endocarditis, septic arthritis, septicaemia, necrotising fasciitis venous thromboembolism overdose may lead to respiratory depression and death psychological problems: craving social problems: crime, prostitution, homelessness

Question 123

what is the emergency management of opioid overdose?

Answer 123

ABCDEs | IV or IM naloxone: has a rapid onset and relatively short duration of action

Question 124

what are some harm reduction interventions for opioid misuse?

Answer 124

needle exchange | offering testing for HIV, hepatitis B & C

Question 125

give a general overview of management of opioid misuse

Answer 125

usually managed by specialist drug dependence clinics although some GPwSIs offer similar services offered maintenance therapy or detoxification NICE recommend methadone or buprenorphine as first-line in opioid detoxification compliance is monitored using urinalysis detoxification should normally last up to 4 weeks in an inpatient/residential setting and up to 12 weeks in the community

Question 126

how should detoxification and abstinence be managed for opioid misuse?

Answer 126

inpatient detox more effective than outpatients - avoids the chaotic environment that's usual in opioid misusers substitute drug e.g. methadone linctus, clonidine, naltrexone prescribed in reducing doses. ideally then discharge into an abstinence programme e.g. residential houses of recovered addicts etc relapse rate very high sadly

Question 127

describe harm reduction/maintenance or substitution treatment as used for opioid dependence?

Answer 127

abstinence is so unrealistic for a lot of opioid dependent people - focus on harm reduction (e.g. reduce injecting, needle exchanges, screening for BBVs) ± substitute prescribing substitute prescribing = oral methadone (or sometimes buprenorphine) used as alternative to injected street opiates. usually ends up being long term use, rather than using this to detox.

Question 128

how do you manage suspected opioid overdose?

Answer 128

recognising opioid OD - unconscious, pinpoint pupils, bradycardia, hypotension, shallow breathing/snoring, even respiratory arrest naloxone (opioid antagonist) used to restore adequate spontaneous ventilation

Question 129

what stimulant drugs are commonly misused?

Answer 129

amphetamines - speed, methamphetamine cocaine MDMA

Question 130

give some info on amphetamine misuse/dependence/withdrawal

Answer 130

- taken orally, snorted or injected - produce symps like hypomania - elevated mood, over-talking, increased energy, insomnia - pulse and BP raised, pupils dilate, mucous membranes dry - dependence - leads to depression and mood swings - withdrawal = 'crash' - depression, agitation, lethargy, suicidal thoughts, cravings - intoxication/psychosis - treat w/benzodiazepines and antipsychotics - prolonged use --> paranoid psychosis - potent dopamine enhances - inhibit its reuptake and stimulate its release - also enhances noradrenaline and serotonin

Question 131

give some info on cocaine misuse

Answer 131

- similar effects to amphetamines, but more dramatic - snorted or smoked as crack/freebase - cocaine misuse is often accompanied by alcohol/opioid misuse - intoxication can mimic psychosis/mania

Question 132

give some info on MDMA misuse

Answer 132

- tolerance really common - adverse reactions - hyperpyrexia, acute renal failure due to dehydration - also water intoxication in users who overcompensate - can cause acute psychosis - neurotoxic to serotonin fibres so chronic users can have low central serotonin levels and some cognitive deficits

Question 133

what are hallucinogens? what's the main one used widely? give some info

Answer 133

drugs altering perception, producing psychadelic experiences LSD most common, also magic mushrooms LSD - 'trip' starts 2 hours after consumption, lasts 8-12 hours - distorted sensory perception, alteration of sense of time and scale, changes in body image (E.g. out of body experience) - rarely cause dependence or withdrawal - might get acutely referred to psych due to panic/anxiety of 'bad trip' - sedate with benzodiazepines

Question 134

define 'personality'

Answer 134

characteristic behavioural, emotional and cognitive attributes of an individual - we all have particular traits that emerge mid-adolescence and once established remain stable - but when these are extreme this can be a personality disorder

Question 135

define personality disorder

Answer 135

"severe disturbance in characterological constitution and behavioural tendencies of the individual, usually involving several areas of the personality and nearly always associated with considerable personal and social disruption" "an enduring pattern of inner experience and behaviour that deviates markedly from the expectations of the individuals culture, is pervasive and inflexible, has onset in adolescence/early adulthood, and leads to distress or impairment"

Question 136

what core features required for diagnosis of a personality disorder?

Answer 136

- personality attributes cause distress of dysfunction for individual or those around them - dysfunction occurs across a range of situations - characteristics are pervasive, stable and recognisable since late adolescence specific PDs are then diagnosed according to domains of personality that are most affected

Question 137

what are the three clusters of personality disorder?

Answer 137

``` cluster A (eccentric) - 'mad' - paranoid/schizoid cluster B (dramatic) - 'bad' - antisocial, emotionally unstable, histrionic, narcissistic cluster C (anxious) - 'sad' - anankastic (obsessive), anxious (avoidant), dependent ```

Question 138

what are the characteristics of paranoid PD?

Answer 138

suspicion and distrust of others sensitivity to criticism bears grudges self-importance

Question 139

what are the characteristics of schizoid PD?

Answer 139

emotionally cold and detached introspective social isolation lack of joie de vivre

Question 140

what are the characteristics of antisocial PD?

Answer 140

``` callous unstable, transient relationships low frustration threshold irritable and impulsive failure to learn from experience failure to accept responsibility lack of guilt tend to be young men ```

Question 141

what are the characteristics of emotionally unstable PD?

Answer 141

``` multiple, turbulent relationships impulsivity recurrent emotional crises variable, intense mood stress-related psychotic-like symptoms tend to be young women history of frequent DSH classically got a history of childhood sexual abuse ```

Question 142

what are the characteristics of histrionic PD?

Answer 142

``` exaggerated, theatrical displays of emotion attention seeking vain suggestible (easily swayed) shallow, labile mood crushes and fads ```

Question 143

what are the characteristics of narcissistic PD?

Answer 143

``` gradiose self-importance exaggerates achievements and abilities exploits others arrogant expects special praise and restraint ```

Question 144

what are the characteristics of anankastic/obsessive PD?

Answer 144

excessive orderliness preoccupation with detail inflexible and dogmatic humourless

Question 145

what are the characteristics of anxious/avoidant PD?

Answer 145

persistent tens and apprehensive feelings avoid personal contact fear of criticism and rejection

Question 146

what are the characteristics of dependent PD?

Answer 146

encourage others to make decisions for them | excessive need to be taken care of

Question 147

what is known about aetiology of personality disorders?

Answer 147

not loads! evidence that early childhood experiences, plus general upbringing and childhood traumas etc have a role some genetic element

Question 148

how do eccentric (paranoid or schizoid) PDs tend to present?

Answer 148

they avoid services and usually present when suspiciousness or persecutory beliefs lead them to start accusing people or promising retribution. challenging to distinguish from delusions, and to establish the level of risk. difficult to treat - low dose antipsychotics are an option, but compliance poor. social interventions offered but they don't view their isolation as a problem. psychotherapy can actually be harmful so is CI'ed.

Question 149

how do patients with emotionally unstable personality disorder tend to present?

Answer 149

frequent A&E attendance with repeated OD or DSH. they have turbulent relationships - e.g. threaten OD every time boyf tries to leave. may present with dramatic plea/demand for help ('section me'). often a history of childhood sexual abuse. some association with eating disorders (more bulimia than anorexia)

Question 150

how do patients with antisocial PD tend to present?

Answer 150

rarely treated because there's no interventions that are effective. admission often avoided - disruptive to other patients. forensic psych deal with them usually, and they're often detained in secure units from court or prison. basically presents with loads of crime! rates high in prisoners. problems worsened by drugs/alcohol.

Question 151

how do anxious personality disorders tend to present?

Answer 151

doesn't normally present clinically, sometimes diagnosed in people with depression/anxiety (and is a risk factor for both)

Question 152

what are the broad principles of managing personality disorders?

Answer 152

difficult to treat - apart from 'dramatic' cluster B types. - help them to avoid situations that cause problems (e.g. confrontation, intoxication) - have a clear and consistent crisis management plan - carefully differentiating any mood disorders/psychosis and treating them - written care plans, good CMHT - for EUPD - dialectical behavioural therapy helps decrease self-harm, cognitive analytical therapy may be helpful, as may therapeutic communities

Question 153

explain what is meant by 'phobic anxiety'

Answer 153

situational anxiety - restricted to a specific experience or anticipation of particular situation can be very specific e.g. spiders or more general e.g. agoraphobia. person tends to avoid the situations - this gives them relief but ultimately reinforces the fear so is BAD - overcoming this avoidance is key.

Question 154

give some general symptoms of anxiety

Answer 154

- anxious/irritable mood - exaggerated worries and fears - avoidance of feared situations - checking - seeking reassurance - somatic symptoms - chest tightness, shortness of breath, palpitations, 'butterflies', tremor, tingling of fingers (hyperventilation), aches and pains, poor sleep

Question 155

how are phobic anxiety disorders treated?

Answer 155

key is exposure therapy - either in reality or in imagination. CBT can help with this. antidepressants and anxiolytics have a role.

Question 156

what is agoraphobia?

Answer 156

most common fear - intense anxiety provoked by open/large spaces that are crowded and difficult to escape from e.g. supermarket queues often associated with panic attacks - "panic disorder with agoraphobia" - cognitions focus on fainting/dying or other catastrophe rather than on the actual shop/space - can end up housebound if severe - more common in young women, on average takes 2 yrs before help sought

Question 157

list some symptoms of agoraphobia

Answer 157

- situational anxiety - in shops, crowded large places - cognitions = thoughts of collapsing and being left helpless in public - avoidance of panic-provoking situations - panic attack symptoms

Question 158

what is social phobia?

Answer 158

fear of other people - anticipation of a negative evaluation by them - distinguish from normal shyness, or social withdrawal due to depression/other condition.

Question 159

what are the symptoms of social phobia? how is it managed?

Answer 159

- situational anxiety in social gatherings - cognitions = being judged negatively by others - avoidance of social occasions - blushing/trembling classic - associated with secondary alcohol misuse (self medicating) Rx - CBT, SSRIs can be helpful.

Question 160

what are the symptoms of a panic attack?

Answer 160

- severe incapacitating anxiety - cognitions = of dying, going mad, losing control - sense of impending doom - chest tightness - palpitations - tremor - tingling fingers (hyperventilation) - nausea - shortness of breath attacks must be recurrent over at least 1 month for panic disorder diagnosis - differentiate from physical causes and from panic as part of phobia etc

Question 161

how is panic disorder managed?

Answer 161

CBT usually very effective - helps pt understand symptoms as result of anxiety. antidepressants might help, but initial increase in anxiety often puts patients off.

Question 162

what is generalised anxiety disorder?

Answer 162

persistent anxiety associated with chronic uncontrollable and excessive worry - occurring more days than not for >6 months. associated with 3+ of following on more days than not for >6 months: restlessness or feeling keyed up or on edge; being easily fatigued; difficulty concentrating or mind going blank; irritability; muscle tension; sleep disturbance. PLUS at least 4 of: Autonomic arousal symptoms: - Palpitations or pounding heart. - Accelerated heart rate. - Sweating. - Trembling or shaking. - Dry mouth (not due to medication or dehydration). Symptoms involving chest and abdomen: - Difficulty breathing. - Feeling of choking. - Chest pain or discomfort. - Nausea or abdominal distress (such as churning in stomach). Symptoms involving mental state: - Feeling dizzy, unsteady, faint, or light-headed. - Feeling that objects are unreal (derealisation) or that the self is 'not really here' (depersonalisation). - Feeling of losing control, 'going crazy', or passing out. - Fear of dying. General symptoms: - Hot flushes or cold chills. - Numbness or tingling sensations. - Muscle tension or aches and pains. - Restlessness and inability to relax. - Feeling keyed up, on edge, or mentally tense. - A sensation of a lump in the throat or difficulty in swallowing. Other nonspecific symptoms: - Exaggerated response to minor surprises or to being startled. - Difficulty in concentrating or mind 'going blank' because -of worrying or anxiety. - Persistent irritability. - Difficulty in getting to sleep because of worrying. often associated with depression. it's NOT - paroxysmal (panic disorder), situational (phobic), or lifelong (PD)

Question 163

what are some risk/protective factors for GAD?

Answer 163

Risk factors Being aged between 35 and 54. Being divorced or separated. Living alone or as a lone parent. Protective factors Being aged between 16 and 24. Being married or cohabiting.

Question 164

describe NICE stepped care for GAD

Answer 164

Step 1 (for all new GAD) - assessment, education, monitoring Step 2 (no change on education and lifestyle changes) - IAPT/low intensity psychology, guided self-help, psychoeducational groups Step 3 - CBT/applied relaxation or drug treatment (SSRI or venfalaxine) Step 4 - psych referral if still refractory

Question 165

what tool can be used to screen for GAD?

Answer 165

GAD 7 - like PHQ 9 but for GAD

Question 166

what is OCD?

Answer 166

anxiety disorder in which obsessions and compulsions are prominent and persistent (can be either/or)

Question 167

what are the diagnostic criteria for OCD?

Answer 167

- obsessions or compulsions (or both) must be present on most days for > 2 weeks. - acknowledged as originating in the mind of the patient and imposed by outside persons or influences. - they're repetitive and unpleasant and at least one obsession or compulsion must be present that is acknowledged as excessive or unreasonable. - subject tries to resist them (but if very long-standing, resistance to some obsessions or compulsions may be minimal). At least one obsession or compulsion must be present which is unsuccessfully resisted. - carrying out the obsessive thought or compulsive act is not in itself pleasurable. - the obsessions or compulsions cause distress or interfere with the subject's social or individual functioning, usually by wasting time.

Question 168

what aetiological factors are there for OCD?

Answer 168

Genetic predisposition Developmental factors - abuse or neglect, social isolation, teasing or bullying may predispose. Psychological factors - Personality characteristics maintain OCD (e.g. anankastic PD predisposes) Stressors/triggers - common stressor is pregnancy or the postnatal period.

Question 169

how is OCD treated?

Answer 169

mild functional impairment = IAPT for CBT ± "exposure and response prevention" (ERP) - these can be individual, group or telephone/internet based moderate = patient choice between high intensity (>10h) CBT and ERP or SSRI. chlormipramine (TCA) alternative to SSRI. severe = high intensity CBT/ERP and SSRI.

Question 170

what are conversion/dissociative disorders?

Answer 170

when there's a loss of function, often a neurological deficit e.g. paralysis, that isn't explained by organic disease, and is often connected to a clear stressor/event e.g. athlete loses function of right leg day before a big race - patient isn't making it up or aware that it's psychological though

Question 171

differentiate between dissociative/conversion disorders, factitious disorder and malingering?

Answer 171

in conversion - patient not consciously putting on symptoms factitious - patient is consciously feigning symptoms to obtain medical care malingering - putting on symptoms for personal gain hard to distinguish if someone is faking it! - look out for inconsistencies e.g. limps into consultation room but runs for bus

Question 172

how are conversion/dissociative disorders best managed?

Answer 172

nobody really knows but: - accept the reality of symps but explain they could be reversible - encourage gradual return to normal function - treat coexisting depression if present - refer for psychotherapy if nothing else working

Question 173

give some different types of 'stress reaction' or stress-related disorders

Answer 173

acute stress reaction - begins and ends within hours-days of stressor adjustment disorder - begins less acutely, lasts several months PTSD - delayed response to an extreme stress, key feature being re-experiencing of trauma in dreams/imagination

Question 174

what are acute stress reactions? how are they managed?

Answer 174

transient, but severe, emotional reactions following an exceptional stressor. patient is dazed, may have amnesia/denial of event, be overactive or conversely withdrawn Rx = remove stressor, reassure and support. short course of benzos if needed. early 'debriefing' (telling therapist about event asap) is now shown to be unhelpful.

Question 175

what are adjustment disorders? how are they managed?

Answer 175

reactions to a stress that are more prolonged than the acute stress reaction. symps are 1 month post stressor, lasting for <6 months. features = depression, anxiety, poor concentration, preoccupied with event, angry outbursts etc. Rx - CBT/counselling, treat depression/anxiety as needed

Question 176

what is PTSD?

Answer 176

delayed response to exceptional stressors - key feature is intensely realistic, involuntary flashbacks/dreams reliving event - often triggered by reminders of trauma (even if pt is unaware of triggers) onset can be months or years after trauma.

Question 177

what are the main symptoms/features of PTSD?

Answer 177

re-experiencing- hyperreal flashbacks/nightmares etc avoidance/ruminating hyperarousal or emotional numbing e.g. exaggerated startle response, irritability, sleep problems etc

Question 178

how is PTSD managed?

Answer 178

eye movement desensitisation and reprocessing (EMDR) - pt recalls event while moving eyes rapidly from side to side - unclear how it works! trauma-focused CBT antidepressants might help (e.g. paroxetine, mirtazapine) manage substance abuse

Question 179

what is hypochondriacal disorder?

Answer 179

somatoform disorder in which pt is preoccupied with idea that they have a serious medical condition that they don't have. persistently seeks medical reassurance and investigation - but not reassured by either. presentation usually with repeated requests for investigations to exclude disorder.

Question 180

how do you manage hypochondriacal disorder?

Answer 180

CBT and antidepressants can help - but have to be careful not to be seen as dismissing them as psychiatric

Question 181

what are somatization disorders?

Answer 181

``` somatic symptoms (e.g. fatigue, pain) not adequately explained by medical disease similar to what medicine calls functional disorders. ```

Question 182

what are the symptoms of somatization disorder, as a psych diagnosis? how is is managed?

Answer 182

patient, nearly always woman, presents with multiple different medially unexplained symptoms that have occurred for years - 'illness as a way of life'. Rx - long follow up, treat associated depression/anxiety - poor prognosis

Question 183

what is factitious disorder?

Answer 183

patient consciously elaborates or makes up symptoms to gain medical care - unclear exactly how 'conscious' it is though. aka Munchausen's syndrome also - Munchausen's syndrome by proxy = when someone makes someone else appear to be physically/psychiatrically unwell for attention - often carer and child

Question 184

what is malingering?

Answer 184

patient elaborating/making up symptoms for fraudulent purposes (e.g. to avoid court or military conscription) - factitious disorder is a psychiatric disorder, malingering is not.

Question 185

generally speaking, what the difference between anorexia nervosa and bulimia nervosa?

Answer 185

- people with anorexia nervosa restrict what they eat and may compulsively overexercise to maintain an excessively low body weight - people with bulimia nervosa have intense cravings, secretively overeat, and then try to 'purge' prevent weight gain (e.g. vomiting) - some people with mixed symptoms are diagnosed with 'eating disorder not otherwise specified'

Question 186

give some aetiological/risk factors for eating disorders

Answer 186

- genetic element - altered brain serotonin function - personality - anxious, obsessive, depressive traits all more common - childhood environment - abuse, overprotecting/controlling environment in which food/appearance overvalued, bullying related to weight - culture - societal values regarding weight

Question 187

list some physical symptoms of anorexia nervosa

Answer 187

``` cold sensitivity GI symps - constipation, bloating amenorrhoea dizziness poor sleep ```

Question 188

list some physical signs of anorexia nervosa

Answer 188

emaciation cold extremities dry skin, might be orange (hypercarotinaemia) downy lanugo hair on back, forearms and cheeks poorly developed/atrophic secondary sexual characteristics bradycardia, postural hypotension, arrhythmias peripheral oedema proximal myopathy

Question 189

list some investigation abnormalities you might see in anorexia nervosa

Answer 189

``` low LH, FSH, oestradiol, T3 raised cortisol, growth hormone hypoglycaemia hypokalaemia, hyponatraemia, metabolic alkalosis ECG - prolonged QT interval hypercholesterolaemia osteopaenia and osteoporosis low WBC and platelets delayed gastric emptying acute gastric dilatation (if over-rapid refeeding) ```

Question 190

list clinical/presenting features of anorexia nervosa

Answer 190

- refusal to maintain a normal body weight for age and height. - weight below 85% of predicted (adults = BMI < 17.5, under 18 = use BMI centile charts) - dieting or restrictive eating practices. Friends or family may report a change in eating behaviour. - rapid weight loss. - having a dread of gaining weight. - disturbance in the way weight or shape is experienced, resulting in over-evaluation of size/disproportionate worry about weight or shape. - denial of the problem. - lack of desire for intervention, or resistance to it. - social withdrawal; few interests. - enhanced weight loss by over-exercise, diuretics, laxatives and self-induced vomiting. - problems managing pre-existing chronic diseases which involve dietary control, such as diabetes or coeliac disease

Question 191

list some general risk factors for eating disorders

Answer 191

female - although not uncommon in men!! adolescence/early adulthood - pubertal changes often trigger living in Western society

Question 192

list some family history risk factors for eating disorders

Answer 192

eating disorder depression substance misuse / obesity - for bulimia specifically

Question 193

list some 'premorbid experiences' that are risk factors for eating disorders

Answer 193

adverse parenting - low contact, high expectations, arguments sexual abuse family dieting critical comments about eating, weight or shape - esp familial, but also bullying from peers pressure to be slim - familial/societal/peers

Question 194

list some premorbid characteristics that are risk factors for eating disorders

Answer 194

low self-esteem anxiety specific to anorexia - perfectionism specific to bulimia - impulsivity, obesity, early menarche

Question 195

list some specific groups that are at risk of eating disorders

Answer 195

ballet dancers models jockeys gymnasts

Question 196

what are the objectives of treatment in anorexia nervosa?

Answer 196

- alter attitude to weight and body shape via psychological treatments - help them gain weight - detect and treat medical complications

Question 197

what are the principles of management in anorexia?

Answer 197

- maintain a good therapeutic relationship - important for helping them recognise need for help - encourage weight gain early - breaks cycle, and overcomes problem that starvation interferes with psychological treatments - therapy - *family therapy is first line* also CBT - drugs - no clear role, can be used if comorbid depression - monitor physical condition, consider multivitamins/supplements

Question 198

in adults, what features indicate severe/high risk anorexia and should prompt you to consider urgent referral/admission?

Answer 198

- BMI of 13-15 conveys medium risk; a BMI <13 is high risk. - weight loss > 0.5 kg per week - pulse rate: < 40bpm - systolic BP < 90, diastolic BP <70, postural drop >10 - squat test: unable to get up from squatting or lying down without using arms for balance or leverage. - core temperature < 35°C. - blood tests: low potassium, sodium, magnesium or phosphate. raised urea, creatinine or transaminases. low albumin or glucose. - ECG: prolonged QT interval, T-wave changes, bradycardia.

Question 199

what guidelines should be used in deciding how to manage anorexia?

Answer 199

MARSIPAN guidelines

Question 200

give some general info on management of anorexia nervosa?

Answer 200

need to address weight first to allow brain to focus on psychology later - use behavioural techniques and dietician to agree an achievable rate of weight gain and meal plan. then - for adolescents - family therapy, for everyone - CBT. compulsory admission ± NG feeding may be required.

Question 201

what must you be aware of when initiating weight gain plan for an anorexic patient? how do you manage/avoid this?

Answer 201

refeeding syndrome - results from depletion of cardiac muscle secondary to starvation. can lead to electrolyte imbalances (serum phosphorous, magnesium and potassium) occurring with insulin release in response to eating food - can lead to heart failure. measure all serum electrolytes every 507 days use a gradual refeeding programme e.g. 1200kcal/day then increase every 5 days. monitor for tachycardia and oedema. also use diet rich in phosphate (milk) and lower in carbs - use of high calorie supplement drinks useful here.

Question 202

list some factors associated with poor outcome in anorexia

Answer 202

long duration prior to presentation onset in adulthood severe weight loss vomiting

Question 203

list some possible complications of anorexia nervosa

Answer 203

- hypokalaemia: common, may cause fatal arrhythmias. - hypotension. - other cardiac problems including arrhythmias, mitral valve prolapse, peripheral oedema, sudden death. - anaemia and thrombocytopenia. - hypoglycaemia. - osteoporosis: restoring weight is the best treatment, but may never fully recover - constipation. - lack of growth in teenagers, and lack of development of secondary sexual characteristics. - infertility. - infections. - renal calculi - acute kidney injury or chronic kidney disease. - alcohol dependency in some patients. - anxiety and mood disorders. - social difficulties.

Question 204

what is bulimia nervosa?

Answer 204

characterised by uncontrolled eating binges - these are excessive, repetitive and often associated with self-induced vomiting or other purging behaviour. typically, first binge was triggered by diet-induced hunger and then compensatory purges - over time this generalises to become a way to deal with emotional stress.

Question 205

what are the features in a history indicating bulimia nervosa?

Answer 205

- regular binge eating, loss of control of eating during binges - once/twice a week for a few months - attempts to counteract the binges - 80% will purge (vomiting, laxatives, diuretics etc), 20% compensatory (dietary restriction and excessive exercise) - BMI maintained > 17.5 - preoccupation with weight, body shape and body image. Self-evaluation is unduly based on body weight and shape. - preoccupation with food and diet. This is often rigid or ritualistic and deviations from a planned eating programme cause distress. The affected person therefore starts to avoid eating with others and becomes isolated. - regret/shame after binges - doesn't meet criteria for anorexia nervosa

Question 206

what physical symptoms/signs are seen in bulimia?

Answer 206

if BMI normal, these are often rarer - but if low then similar to anorexia ones. - bloating and fullness. - lethargy. - heartburn and reflux. - abdominal pain. - sore throat, hoarse voice and dental problems (e.g. pitted teeth) due to vomiting - Russell's sign - callouses on back of fingers from forced vomiting - hypokalaemia, especially if vomiting regularly - swollen salivary (parotid) glands

Question 207

list some risk factors for bulimia nervosa

Answer 207

- female sex - parental and childhood obesity - family dieting. - FHx of eating disorders (high heritability shown). - Hx of severe life stresses, sexual or physical abuse. - parental and premorbid psychiatric disorder or substance misuse. - parental problems, such as high expectations, low care and overprotection, and disruptive events in childhood such as parental death and alcohol dependency. - early experiences of criticism regarding eating habits or body weight. - perceived pressure to be thin (from cultural or family sources). - recreational pressure (models, jockeys, ballet dancers, athletes). - early menarche. - premorbid characteristics such as perfectionism, anxiety, obsessional traits, low self-esteem, emotionally unstable personality disorder, difficulty in resolving conflict.

Question 208

how should bulimia nervosa be managed?

Answer 208

- there's a bulimia specific CBT - IPT can work - self-help manuals also used, NICE recommends as first line, then do ED specific CBT if that hasn't helped - fluoxetine has a role - reduces binge frequency - advise regular vomiters not to brush teeth for at least 1 hr after vomits, to rinse mouth with water immediately after, and to avoid acidic foods where poss - ensure regular dental reviews

Question 209

list some possible complications of bulimia nervosa

Answer 209

- haematemesis, and metabolic complications (eg, hypokalaemia) - dental erosions. - painless enlargement of the salivary glands, tetany and seizures. - around 10-15% go on to develop anorexia

Question 210

list the main types of sleep disorder

Answer 210

1) insomnias - too little sleep 2) hypersomnias - too much sleep 3) parasomnias - weird sleep behaviour e.g. sleep walking sleep problems are usually secondary to psychiatric/medical disorder but could be primary diagnosis

Question 211

what is insomnia? what causes it?

Answer 211

disturbance in normal sleep patterns - usually difficulty initiating sleep. mostly related to anxiety/depression, but also medical disease, chronic pain, substance abuse. <10% = primary insomnia

Question 212

how do you treat insomnia?

Answer 212

advise on sleep hygiene - sleep environment, avoid caffeine, alcohol etc stimulus control - go to bed only when sleepy, lights out straight away, get out of bed if awake for >20 mins relaxation therapy - before bed. hypnotics - short-acting benzodiazepines and related drugs - effective in short term but avoid long term use due to dependance! melatonin - can be used in short term if >55yrs old.

Question 213

what causes excessive daytime sleepiness?

Answer 213

1) insufficient sleep 2) fragmented sleep 3) primary disorder - hypersomnia

Question 214

what causes hypersomnia?

Answer 214

psychiatric - depression, chronic fatigue syndrome medical - narcolepsy, Klein-Levin syndrome, sleep apnoea, chronic disease also - drug use (medications or recreational)

Question 215

what is narcolepsy?

Answer 215

repeated attacks of daytime somnolence leading irresistibly to sleep. associated with cataplexy (sudden loss of tone), hypnagogic hallucinations (on falling asleep) and sleep paralysis (pt wakes but is unable to move). autoimmue - HLA-DR2. stimulants - amphetamine or modafinil = main treatments.

Question 216

what are parasomnias?

Answer 216

sleepwalking, sleeptalking, nightmares etc - part of normal development in childhood, sign of emotional stress in adults.

Question 217

list some types of sexual dysfunction

Answer 217

sexual desire disorders - lack of vs. excess failure of genital response - erectile dysfunction, vaginal dryness orgasmic dysfunction - premature ejaculation, anorgasmia other - vaginismus, dyspareunia

Question 218

what is erectile dysfunction?

Answer 218

inability to reach erection or to sustain it long enough for intercourse usually secondary i.e. full erection was possible at one time - primary is rare (neuro or circulation cause)

Question 219

list some causes of erectile dysfunction

Answer 219

``` anxiety about sexual performance alcohol unwanted effects of prescription medication diabetes vascular disease ```

Question 220

how is erectile dysfunction treated?

Answer 220

ideally combine psychological and physical approach type V phsophodiesterase inhibitors e.g. sildenafil (viagra) widespread - NHS only prescribes in specialist centres/those suffering severe distress (in theory) treat underlying cause!

Question 221

outline psychological treatments of sexual dysfunction

Answer 221

reassurance/self-help manual sex therapy - uses behavioural methods, treats couple together, uses graded exposure to gradually rebuild sexual relationship

Question 222

what is delirium?

Answer 222

rapid onset of a global but fluctuating dysfunction of the CNS due to an underlying infectious, toxic, vascular, epileptic or metabolic cause.

Question 223

what features are required for a diagnosis of delirium?

Answer 223

impaired consciousness and attention PLUS perceptual disturbance (visual illusions/hallucinations etc) OR cognitive disturbane (concentration, memory, orientation, muddle speech) PLUS developed over short period of time and fluctuating PLUS evidence it may be related to physical cause

Question 224

what are the two subtypes of delirium?

Answer 224

hypoactive - withdrawn, quiet, sleepy behaviour | hyperactive - restless, agitated and aggressive behaviour

Question 225

what are some common features of delirium?

Answer 225

mood and affect fluctuate rapidly - often worse at night (sundowning) irritability, perplexity, apathy, depression poorly systematised, transient delusions, often persecutory ± ideas of reference disturbance of sleep/wake cyce

Question 226

who is at high risk of delirium and thus should be screened for it on admission to care homes/hospital?

Answer 226

- people age >65yrs - people with diffuse brain disease e.g. dementia, Parkinson's - people with a current hip fracture - severely ill also - men, frailty/immobility, prev ep of delirium, sensory impairment

Question 227

give some causes/precipitants of delirium/acute confusional state

Answer 227

nutritional - B1, B12 or folate deficiency intracranial - trauma, CVA, haemorrhage, epilepsy, infection extracranial infections - UTI, pneumonia, septicaemia - iatrogenic - sepsis secondary to chemo, sedatives, surgery (anaesthetics, analgesics, blood loss) - alcohol - intoxication/withdrawal - endocrine - hyper/hypothyroidism, hyper/hypoglycaemia - metabolic - hypoxia, renal/hepatic/other system failure

Question 228

give some differentials for delirium

Answer 228

- dementia (hard to distinguish!) - esp dementia with Lewy bodies - psychiatric conditions e.g. mania, depression, late-onset schizohrenia - normal response to major stress, severe pain etc - dissociative disorders

Question 229

how can you distinguish between delirium and dementia clinically?

Answer 229

deterioration = rapid vs slow course = fluctuating vs slowly progressive consciousness = clouded vs alert thought content = vivid, complex and muddles vs impoverished hallucinations = very common, usually visual vs in about 1/3, auditory or visual

Question 230

what investigations should be ordered for someone presenting with acute confusion?

Answer 230

bloods - FBC, ESR/CRP, U&Es, glucose, TFT, LFT, folate/B12, syphilis serology MSU and urinalysis CXR if poss infection CT/MRI if poss intracranial cause

Question 231

what measures can help to prevent delirium?

Answer 231

maximising orientation - treat sensory impairment, clear signs, clocks and calendars, position near window prevent causes of delirium - minimise polypharmacy, avoid constipation/dehydration, avoid infection (e.g. catheters) - promote wellbeing - encourage mobilisation, good pain control, healthy diet, sleep hygiene, social interaction and visits

Question 232

how do you manage someone presenting with delirium?

Answer 232

- TREAT CAUSE - lorazepam (short-acting benzo) or short term antipsychotic (haloperidol) - beware hypotensive and anticholinergic side effects might precipitate falls/exacerbate confusion

Question 233

list some drugs that can commonly cause delirium

Answer 233

``` TCAs benzodiazepines, other sedatives digoxin diuretics lithium steroids opiates ``` alcohol intoxication/withdrawal/DTs benzodiazepine withdrawal

Question 234

list some medical conditions that can lead to delirium

Answer 234

``` hypoxia e.g. post-op infection esp UTI, chest sepsis organ failure (heart, liver, kidneys) hypoglycaemia dehydration constipation burns major trauma pain epilepsy head injury SOL encephalitis ```

Question 235

what are the organic disorders?

Answer 235

psychiatric disorders with organic/physical cause e.g. organic brain syndromes = dementia, delirium, amnesic syndrome organic delusional disorders = SLE organic mood disorder = MS organic anxiety disorders = hyperthyroidism organic personality disorders = head injury

Question 236

what is amnesic syndrome? what are the features?

Answer 236

goes alongside dementia and delirium as an organic disorder that affects memory. features: - selective loss of recent memory - confabulation (unconscious fabrication of recent events to cover gaps in memory) - time disorientation - attention and immediate recall intact - long-term memory and other faculties intact

Question 237

what causes amnesic syndrome?

Answer 237

``` it's really rare!! Korsakoff's - alcohol withdrawal. herpes simplex encephalitis severe hypoxia head injury ```

Question 238

define dementia

Answer 238

acquired, progressive, usually irreversible global deterioration of higher cortical function in clear consciousness

Question 239

what are the diagnostic criteria for dementia (not type-specific)?

Answer 239

``` multiple cognitive deficits (e.g. memory, orientation, language, comprehension, reasoning, judgement) PLUS resulting impairment in ADLs PLUS clear consciousness ```

Question 240

what other symptoms, beyond those core to the diagnostic criteria, are common in dementia?

Answer 240

behavioural problems - apathy, aggression, wandering, restlessness etc depression/anxiety psychotic symptoms (in 1/3rd) - persecutory delusions (aggravated by forgetfulness e.g. someone is breaking into my house and moving my keys, that's why I can't find them), visual and auditory hallucinations sleep problems e.g. insomnia, daytime drowsiness, confusion between day and night

Question 241

what are the different types of dementia?

Answer 241

Alzheimer's disease Vascular dementia (often mixed with alzheimer's) Lewy body Frontotemporal

Question 242

explain the macro- and micro-scopic changes that occur in the brain in Alzheimer's

Answer 242

macro = brain is shrunken, increased sulcal widening, enlarged ventricles micro = neuronal loss, presence of neurofibrillary tangles and amyloid plaques - these plaques are made from A-beta, which is cleaved from the amyloid precursor protein (APP). amyloid cascade hypothesis says Alzheimer's is due to imbalance of too much brain A-beta production and too little A-beta clearance.

Question 243

explain what we currently know about the genetics of alzheimer's disease

Answer 243

mutations in the APP gene and presenilin 1 and presenilin 2 increase risk of Alzheimer's via impact on amyloid cascade - these account for most familial (early onset) Alzheimers. late-onset Alzheimer's is multifactorial and polygenic, but Apolipoprotein E gene has big role.

Question 244

what neurochemical changes have taken place in Alzheimer's disease?

Answer 244

deficits in acetylcholine, noradrenaline, serotonin and somatostatin

Question 245

how does Alzheimer's disease typically present?

Answer 245

``` gradual memory loss, especially short term. dysphasia/dyspraxia behavioural changes e.g. wandering might get psychotic symptoms apathy ``` it's gradually progressive, 5-8yrs survival

Question 246

how does vascular dementia present?

Answer 246

more patchy cognitive impairment than Alzheimer's focal neurological symptoms/signs appear in 'stepwise' deterioration - following mini vascular events early gait disturbance personality changes, labile mood early urinary symptoms preserved insight also - hx of vascular disease elsewhere or of vascular risk factors

Question 247

how does Lewy body dementia present?

Answer 247

fluctuating cognition and alertness vivid hallucinations spontaneous Parkinsonism condition worsened by antipsychotics - do NOT prescribe!!

Question 248

how does frontotemporal dementia present?

Answer 248

``` younger age of onset (<70yrs) early personality changes relative intellectual sparing stereotyped behaviours early loss of insight expressive dysphasia early primitive reflexes ```

Question 249

explain the pathophysiology of vascular dementia

Answer 249

most have a mixed picture of this + Alzheimer's at least 1 area of cortical infarction - from past TIAs/strokes often have vascular risk factors (although these increase risk of Alzheimer's too!)

Question 250

explain the pathophysiology of Lewy body dementia

Answer 250

presence of Lewy bodies and neurites in basal ganglia and cerebral cortex associated with Parkinson's disease.

Question 251

explain the pathophysiology of frontotemporal dementia

Answer 251

degeneration focused on frontal and anterior temporal lobes.

Question 252

describe general principles of managing dementias

Answer 252

- thorough assessment to exclude treatable causes, beware superimposed delirium. - comorbid depression can complication - careful risk and needs assessment - social support - home care, day centres, respite etc - environment - familial, calm, well lit, visible clocks/diaries/calendars - aromatherapy, music/art therapy etc

Question 253

what blood tests should be ordered for someone as part of the assessment of dementia? what are you looking for on each?

Answer 253

FBC - macrocytosis (B12 deficiency), anaemia, infection U&Es + Calcium - hypercalcaemia, hyponatraemia, renal disease LFTs - alcoholic liver disease TFTs - hypothyroidism B12 and folate levels - deficiencies ESR/ANA - if suspicious of vasculitis syphilis serology - becoming more common!! HIV test bloods should be done in primary care, all patients referred to memory clinic should have a CT

Question 254

what tests (not bloods) should be ordered as part of dementia assessment, what are you looking for?

Answer 254

brain CT/MRI - for any treatable cause really! any other investigations are only if specific suspicions: CXR - infection causing delirium, lung Ca with brain mets EEG - ? LP - normal pressure hydrocephalus cerebral blood flow studies genetic testing - if early onset

Question 255

give some info on medico-legal considerations for dementia

Answer 255

- caution about risks of driving - DVLA need to be informed - advanced care directives/appointing lasting power of attorney whilst still capacitous can be helpful - use mental capacity act as appropriate - consider any need for DoLS

Question 256

give some risk factors for Alzheimer's disease

Answer 256

``` genetic - Apoplipoprotein E, APP/PSEN1/PSEN2 genes, Down's syndrome female increasing age homocysteinaemia obesity/diabetes in middle age head injury latent herpes simplex infection hx of depression aluminium exposure ``` PROTECTIVE - high educational attainment, physically and mentally active lifestyle

Question 257

explain drug treatment of alzheimer's disease

Answer 257

cholinesterase inhibitors e.g. donepezil - for mild/moderate Alzheimer's - acts to give a 6 month ish delay in cognitive decline. memantine (NMDA glutamate receptor antagonist) - for moderate/severe

Question 258

what kind of treatment is helpful in vascular dementia?

Answer 258

no drug treatments but modification of vascular risk factors important - if mixed vascular/AD might benefit from donepezil.

Question 259

explain drug treatment of Lewy body dementia

Answer 259

cholinesterase inhibitors can be helpful | DON'T GIVE ANTIPSYCHOTICS

Question 260

what is separation anxiety? how is it managed?

Answer 260

excessive anxiety when faced with separation from parents/main caregivers - clings to person, avoids being separated from them, can involve sleep disturbance. often arises at times of stress. Rx - explain/reassure to family, remove stressors, ensure parents aren't reinforcing by displaying anxiety when leaving.

Question 261

what is somatoform disorder in children?

Answer 261

kids easily get somatic symptoms when under stress - present with headaches/non-specific abdo pain etc - exclude medical condition, other psychiatric disorders, investigate any precipitating/perpetuating factors (unhappy at home etc)

Question 262

give some clinical features of conduct disorder at different points throughout childhood

Answer 262

pre-school - aggressive behaviour, poor concentration mid-childhood - lying, stealing, disruptive/oppositional behaviour, bullying adolescence - stealing, truancy, promiscuity, substance misuse, vandalism, reckless behaviour

Question 263

what is conduct disorder?

Answer 263

occurring mostly in boys, it features disturbed and antisocial conduct beyond the range of misbehaving normally observed for the age group. not normally diagnosed till >7yo but might see features ahead of that aka oppositional defiant disorder.

Question 264

give some factors associated with conduct disorder

Answer 264

``` family factors: - parental personality disorder - paternal alcoholism - parental disputes and violence - harsh, inconsistent parenting - being in care in early life - large family size - social factors - inner cities - deprivation and overcrowding individual factors: - epilepsy - brain damage - specific reading disorder ```

Question 265

describe the management approach used in conduct disorder

Answer 265

no clear treatment! family focused interventions - improve home environment, 'parental training' to reduce conflict praise and reward for positive behaviour clear rules etc anger management structured outlets for energy/behaviour e.g. youth clubs

Question 266

what is ADHD?

Answer 266

attention deficit hyperactivity disorder - problem must be both persistent and extreme. often comorbid with conduct disorder, anxiety, depression, developmental disorders.

Question 267

what factors contribute to causing ADHD?

Answer 267

- genetic contribution - FHx of ADHD, depression, learning difficulties, alcoholism, dissocial personality disorder. - some neurodevelopmental effect - some studies shown EEG/brain imaging anomalies - social deprivation - maternal smoking and alcohol intake

Question 268

list the core features of ADHD

Answer 268

1) hyperactivity 2) poor attention and concentration 3) impulsivity present for >6 months evidence of this impaired functioning in 2+ settings (i.e. complete nightmare at home but well behaved in school) onset before 9yo, usually by 5yo.

Question 269

list some other features of ADHD beyond the core three

Answer 269

``` distractibility poor at planning and organising tasks learning difficulties clumsiness low self-esteem socially disinihibited unpopular with other children non-localising neurological signs 50% will also have conduct disorder ```

Question 270

explain the management options for ADHD

Answer 270

- support and psychoeducation for child and family - special needs education, especially if learning difficulties - firmly adhere to behavioural principles (reward the good, discourage bad behaviour) - drugs - stimulants e.g. methylphenidate (Ritalin), atomoxetine (SEs- liver toxicity, suicidality) - recommended as part of comprehensive treatment programme if symptoms severe - restriction of E numbers etc not recommended

Question 271

what is Ritalin? explain its role in ADHD management and how it works. what are the side effects?

Answer 271

methylphenidate acts to increase dopamine in synapse SEs - addiction, poor appetite, headaches need to monitor growth encourage 'drug holiday' e.g. don't take Ritalin over half-term (away from school) - idea is to stop dependance

Question 272

what is ASD?

Answer 272

autism spectrum disorder - failure to develop normal communication, especially social and emotional communication. delayed/restricted/unusual use of language. appear oblivious to non-verbal cues and emotional expressions, difficulty interacting with others. degree of learning disability can vary.

Question 273

give some features associated with autism, beyond the 'core' features

Answer 273

inappropriate attachments to unusual objects, insistence on sameness, a restricted range of interests and activities, stereotyped behaviours (rocking, twirling, etc.), hyper/hyporeactivity to sensory input, unpredictable outbursts of screaming or laughter ``` also associated: learning disability coordination difficulties epilepsy (in 25%) hyperactivity (40%) anxiety sleep disturbance hypotonia ```

Question 274

what factors are associated with developing autism?

Answer 274

- strong genetic link - no confirmed environmental risk factors - possible abnormal brain growth, or excess serotonin - unclear really - psychologists believe it's failure to develop 'theory of mind'

Question 275

how should ASD be managed?

Answer 275

intensive psychological/behavioural treatment - this focuses on breaking down various skills and teaching them to the child psychoeducation and support for family provision of appropriate education/accommodation

Question 276

what is asperger's syndrome?

Answer 276

mild end of the ASD spectrum really - abnormal social communication, repetitive, isolated behaviours - but language not delayed

Question 277

what is Fragile X syndrome? what are the features?

Answer 277

``` strongly associated with learning disabilities. usually male - if female, have a lot less learning/behavioural problems X-linked dominant condition features: large head and ears long face, high-arched palate flat feet lax joints post puberty - large testes poor eye contact abnormal speech hypersensitivity to touch/auditory/visual stimuli hand flapping hand biting 15-33% have autism ```

Question 278

define learning disability

Answer 278

IQ < 70 impairment across a wide range of functions onset <18 yrs old distinguish from: lower than average intelligence but IQ >70 specific developmental disorders e.g. autism intellectual impairment secondary to adult organic syndrome

Question 279

how are learning disabilities classified?

Answer 279

mild = IQ 69-50 (relatively independent, some basic literacy, can do semi-skilled work, normal social skills, normally no clear cause) moderate = 49-35 (needs some help with self-care, limited communication/literacy, can work if unskilled and supervised, some impairment of social skills, cause can be found) severe = < 35 profound = < 20 (limited self-care ability, basic/none communication, no reading/writing, few social skills, often comorbid physical problems, clear cause usually found)

Question 280

give some causes of LDs

Answer 280

genetic: – chromosomal (e.g. Down, Klinefelter or Turner’s syn- drome); – X-linked: Fragile X, Lesch–Nyhan syndrome; – autosomal dominant: tuberose sclerosis, neurofibromatosis; – autosomal recessive: usually metabolic disorders (e.g. phenylketonuria). antenatal: - infective (e.g. toxoplasma, rubella and cytomegalovirus); - hypoxic, toxic or related to maternal disease. perinatal: prematurity, hypoxia, intracerebral bleed postnatal: infection, injury, malnutrition, hormonal, meta- bolic, toxic, epileptic.

Question 281

what psychiatric disorders are at increased prevalence in people with LDs? how do they present in these patients?

Answer 281

1) behavioural disturbance: increases w/ increasing severity of LD (e.g. purposeless or self-injurious behaviour, aggression or inappropriate sexual behaviour) 2) depression: diagnosis rests more on motor and behavioural changes (reduced sleep, retardation, tearfulness, etc.) than verbal expressions of distress 3) anxiety disorders (incl OCD and phobias) 4) dissociative symptoms: amnesia, episodes of unconsciousness, etc 5) schizophrenia: presents with simple and repetitive hallucinations and unelaborated, usually persecutory, delusions 6) mania: presents as overactive/irritable behaviour.

Question 282

explain principles of managing someone with a LD

Answer 282

- most will live at home, some require supported accommodation, day centres, respite care for families - specific LD teams within CMHTs - usually a handful of inpatient beds for assessment and treatment of behavioural/psych disorders

Question 283

list some features of Down's syndrome

Answer 283

``` moderate - severe LD physical features: - down-slanting palpebral fissures - epicanthic folds - small mouth w/large protruding tongue - flat nasal bridge - flattened occiput - small hands with single palmar crease - hypotonia medical probs: - cardiac septal defects - GI obstruction - atlantoaxial instability - susceptibility to infection ```

Question 284

what is an illusion?

Answer 284

a misrepresentation of a real stimulus - seeing a person in the corner when in reality it's a hat stand

Question 285

what is a hallucination?

Answer 285

sensory perceptions occurring in absence of an external physical stimulus - any sensory modality really

Question 286

what are the different types of auditory hallucination?

Answer 286

thoughts spoken aloud - either at same time, or just after second-person hallucinations - voice talking directly to the person or giving them instructions (command hallucinations) e.g. "you are being followed; run away" third-person hallucinations - voices heard discussing/commenting or giving a running commentary

Question 287

what are hypnagogic/hypnopompic hallucinations?

Answer 287

hallucinations occurring when going to (hypnagogic) or waking up (hypnopompic) from sleep

Question 288

what is a pseudohallucination?

Answer 288

one in which person is aware stimulus is in the mind e.g. "I can hear my late wife's voice talking to me in my head"

Question 289

what is an overvalued idea?

Answer 289

false or exaggerated belief sustained beyond logic or reason, but with less rigidity than a delusion, also often being less patently unbelievable

Question 290

what is anhedonia?

Answer 290

inability to derive pleasure from normal activities

Question 291

what is thought withdrawal?

Answer 291

thought disorder in which patient believes thoughts are being taken out of their mind

Question 292

what is thought block?

Answer 292

thought disorder in which patient describes their thoughts suddenly stopping - not being taken out though (withdrawal) will see them just stop speaking in the middle of a sentence

Question 293

what is thought insertion?

Answer 293

patient believes foreign thoughts are being placed into their mind

Question 294

what is thought broadcast?

Answer 294

thoughts are being transmitted to everyone around them - as though on a radio

Question 295

what is thought echo?

Answer 295

form of auditory hallucination in which patient hears own thoughts spoken aloud at same time/just after their's

Question 296

define thought alienation

Answer 296

belief that one's own thoughts are under the control of an outside agency - often described as thought insertion/withdrawal/echo aka thought interference

Question 297

what is akithisia?

Answer 297

movement disorder characterized by a feeling of inner restlessness and inability to stay still, usually the legs are most prominently affected - fidget, rock back and forth, pace etc. can drive them to suicide. usually due to typical antipsychotics

Question 298

what are delusions?

Answer 298

unshakeable false beliefs - will stand by them even in face of counter-argument - out of keeping with patient's cultural background may be mood congruent (depression, mania) or incongruent (schizophrenia - will tell you about horrific beliefs in very calm manner)

Question 299

what is delusional perception?

Answer 299

when patient misconstrues a real stimulus as indicating something false e.g. "the traffic light turned green and that's when I knew I was the King of Tonga"

Question 300

what are nihilistic delusions?

Answer 300

believe that they are already dead/rotting | characteristic of psychotic depression

Question 301

what are grandiose delusions?

Answer 301

delusions of grandeur - e.g. believe they are the Queen, or they know the cure for cancer etc etc

Question 302

what are persecutory delusions?

Answer 302

most common type - theme of being followed/spied on/conspired against etc - very paranoid/suspicious

Question 303

what are ideas and delusions of reference?

Answer 303

coincidental/innocuous events interpreted to have great personal meaning e.g. TV news broadcast making direct reference to patient. delusions of reference = bizarre and unfeasible interpretations e.g. dog's bark carries coded message

Question 304

what is flight of ideas?

Answer 304

rapid skipping from one thought to distantly related ideas, relation often being as tentative as rhyming etc rather than actual connection between then concepts

Question 305

what is a reflex hallucination?

Answer 305

a sensation experienced in response to something e.g. when you write, I can hear your pen pressing on my heart

Question 306

what is an extracampine hallucination?

Answer 306

one in which patient says they can see/hear/whatever something beyond the actual sensory field e.g. can see behind them, can hear people talking about them in australia

Question 307

what is concrete thinking?

Answer 307

lack of abstract thinking, very literal thinking based on physical world - normal in childhood, occurs in adults with organic brain disease and schizophrenia

Question 308

what is loosening of association?

Answer 308

lack of logical association between succeeding thoughts - gives rise to incoherent speech. it's impossible to follow patients train of thought - knight's move thinking/derailment.

Question 309

what is circumstantiality?

Answer 309

irrelevant wandering in conversation, talking at great length around the point but will eventually get there

Question 310

what is perseveration?

Answer 310

repetition of a word, theme or action beyond point at which is was relevant and appropriate e.g. will answer first question correctly but then just repeat that answer

Question 311

what is confabulation?

Answer 311

giving a false account of what's happened to fill a gap in their memory

Question 312

what is somatic passivity?

Answer 312

delusional belief that one is a passive recipient of bodily sensations from an external agency

Question 313

what is "made act/feeling/thoughts"?

Answer 313

type of passivity - person feels they are being forced to do/feel/think something or that their thoughts/feeling/actions are being imposed on them

Question 314

what is catatonia?

Answer 314

``` state of excited motor activity in absence of mood disorder or neurological disease. includes: waxy flexibility echolalia echopraxia logoclonia negativism palilalia verbigeration ```

Question 315

what is waxy flexibility?

Answer 315

patient's limbs feel like wax/lead pipe when moved - remain in position they are left in found rarely in catatonic schizophrenia and structural brain disease

Question 316

what is echolalia?

Answer 316

automatic repetition of words heard

Question 317

what is echopraxia?

Answer 317

automatic repetition by the patient of movements made by examiner

Question 318

what is logoclonia?

Answer 318

repetition of last syllable of a word

Question 319

what is negativism?

Answer 319

motiveless resistance to movement

Question 320

what is palilalia?

Answer 320

repetition of a word over and over again with increasing frequency

Question 321

what is verbigeration?

Answer 321

repetition of one/several sentences or strings of fragmented words, often in a rather monotonous tone.

Question 322

what is psyhomotor retardation?

Answer 322

slowing of thoughts and/or movements, to variable degree. | occurs in depression, also seen in Parkinson's and response to psychotropic drugs

Question 323

what is pressure of speech?

Answer 323

very rapid rate of delivery, with a wealth of unusual associations (e.g. rhymes and puns) and often wanders off point of original convo. highly suggestive of mania.

Question 324

what is incongruity of affect?

Answer 324

emotional responses which seem grossly out of tune with situation or subject being discussed e.g. appear really cheerful whilst saying their dog died

Question 325

what is blunting of affect?

Answer 325

objective absence of normal emotional responses, without evidence of depression or psychomotor retardation basically they don't seem to show any kind of emotional response to anything

Question 326

what is belle indifference?

Answer 326

lack of concern and/or feeling of indifference about a disability or symptom - often linked with conversion

Question 327

what is depersonalisation?

Answer 327

feeling of some change in the self, associated with sense of detachment from one's own body. feel unreal, actions seems mechanical, patient feels like apathetic spectator of his own activities

Question 328

what is derealisation?

Answer 328

sense of one's surroundings lack reality, often appearing dull, grey and lifeless

Question 329

what is dissociation?

Answer 329

experience where a person may feel disconnected from himself and/or his surroundings - kind of umbrella term that includes depersonalisation/derealisation

Question 330

what is conversion?

Answer 330

unconscious mechanism of symptom formation - translation of a psychological conflict into somatic symptoms of motor/sensory nature

Question 331

what are 'mannerisms'?

Answer 331

bizarre elaborations of normal activities e.g. twirling hair when speaking in public - on their own, not indicative of mental illness

Question 332

what is a stereotyped behaviour?

Answer 332

uniform, repetitive non goal-directed actions

Question 333

what is an obsession?

Answer 333

recurrent, persistent thought/image/impulse that enters consciousness unbidden, is recognised as being one's own and often remains despite efforts to resist

Question 334

what is a compulsion?

Answer 334

repetitive, apparently purposeful behaviour performed in a stereotyped way accompanied by a subjective sense that it must be carried out, despite recognition of its senselessness and actual resistance by patient

Question 335

when may a doctor treat a patient without consent under 'common law'?

Answer 335

in a life-threatening emergency - doctor is able to do what the public would consider reasonable in that situation, and where failing to act would be considered unreasonable. Mental Capacity Act / Mental Health Act tend to be used instead though.

Question 336

what are the five key principles of the Mental Capacity Act (2005)?

Answer 336

1) capacity assumed until proven otherwise 2) person must be helped to make decisions before capacity is judged to be absent e.g. use of interpreters 3) pts are entitled to make unwise decisions - it's the process by which decision is made, not the decision itself, that determines capacity 4) decisions made for people who lack capacity must be in their best interests 5) decisions must be least restrictive option in terms of human rights

Question 337

what four things must a patient be able to do in order to demonstrate capacity?

Answer 337

1) understand the information 2) retain the information 3) appropriately weigh up the information 4) communicate a decision back to you failure on any one of the four things = lack of capacity (i.e. don't have to fail all 4)

Question 338

what are IMCAs?

Answer 338

Independent Mental Capacity Advocates - someone who advocates for those who lack capacity

Question 339

what is "lasting power of attorney"?

Answer 339

a person may nominate someone authorised to make decisions for them if they ever lose capacity

Question 340

what are advance decisions/directives?

Answer 340

these are written statements specifying interventions a person would NOT want if they lost capacity

Question 341

what are DoLS?

Answer 341

deprivation of liberty safeguards - designed to ensure that patients lacking capacity as not subject to undue restraints of their liberties

Question 342

what are the key aspects regarding when it is appropriate to invoke the MHA 1983/2007?

Answer 342

- behaviour must result from a known/suspected 'mental disorder' - disruptive behaviour, intoxication, drug abuse not themselves grounds for detention - person must be at acute, significant risk of self-harm, self-neglect or harming others - must have refused voluntary treatment - other options must have been considered and deemed inappropriate - there must be appropriate treatment available note - only allowed to use detention to treat mental disorder, can refuse medical treatment unless direct result of mental disorder e.g. refeeding in anorexia

Question 343

who is involved in detaining a patient?

Answer 343

application made by 1 of 2 people: 1) an AMHP (e.g. senior social worker) 2) two medical recommendations - one a Responsible Clinician (RC) - usually psychiatrist, must be Section 12 approved - and the other a GP or another Section 12 doctor usually

Question 344

what is Section 2 of the MHA used for? how long does it last? who applies for it? right of appeal?

Answer 344

admission for assessment - can also give drug treatment compulsorily. applied for by - AMHP + medical recommendation from RC and another doctor. duration - 28 days right of appeal - in first 14 days to Mental Health Review Tribunal (MHRT)

Question 345

what is Section 3 of the MHA used for? how long does it last? who applies for it? right of appeal?

Answer 345

admission for treatment - of established mental disorder. applied for by - as for Section 2 - cannot proceed if nearest relative objects. duration - 6 months, then renew/review another 6 months, then annually. right of appeal - once per 6 months to hospital managers. at 3 months all treatment must be reviewed by a SOAD (second opinion approved doctor - usually independent psychiatrist e.g. from neighbouring region).

Question 346

what is Section 4 of the MHA used for? how long does it last? who applies for it? right of appeal?

Answer 346

for compulsory admission in emergency when second medical recommendation can't be obtained. applied for by - AMHP or nearest relative. recommendation by any doctor, usually GP. duration - 72 hours in which full MHA assessment for section 2 or 3 must be completed. right of appeal - none.

Question 347

what is Section 5(2) of the MHA used for? how long does it last? who applies for it? right of appeal?

Answer 347

used for emergency detention of an inpatient, preventing patient from leaving hospital. not allowed to enforce treatment. can't be used to hold in A&E or OPD. applied for by - Dr in charge of patients care or their nominee (consultant or junior dr, never FY1/2). duration - 72hrs, in which full MHA assessment must be done. right of appeal - none

Question 348

what is Section 5(4) of the MHA used for? how long does it last? who applies for it? right of appeal?

Answer 348

used by psych nurses to detain psych inpatient for 6 hours if no psychiatrist to hand. equivalent of 5(2).

Question 349

what is Section 135 of the MHA used for?

Answer 349

allows police to enter private property and take person to nominated 'place of safety' for 72 hrs. can only be used once.

Question 350

what is Section 136 of the MHA used for?

Answer 350

allows police to detain someone from a public health to place of safety for 72hrs.

Question 351

what are Sections 35-38, 47 and 48 of MHA used for?

Answer 351

35-37 used by a Court to send offenders to hospital for psych assessment/treatment 47 and 48 allow transfer of prisoner or other detainee to hospital.

Question 352

explain what CTOs are

Answer 352

community treatment orders - allow compulsory treatment in community if patient is currently detained under Section 3. designed for patients who cycle between relapse and readmission, often due to stopping taking meds after discharge. usually dictates they must reside at particular address, take meds/allow IM treatment/CMHT visits and attend appointments - if not can be recalled to hospital without new MHA assessment.

Question 353

can ECT be given compulsorily using MHA Sections?

Answer 353

generally no, unless necessary to prevent death or deterioration. second opinion must be obtained and Section 58 completed. in emergency it can be given using Section 62 - but this must be life-saving.

Question 354

what is psychoeducation?

Answer 354

provision of info to help patient/family understand and cope with illness - may be individual or in groups.

Question 355

what is counselling?

Answer 355

loosely defined - people are helped to overcome/cope with life's problems. counsellor serves as a support, facilitating emotional expression.

Question 356

what is supportive psychotherapy?

Answer 356

a formalised version of what all friends and medical professionals do for someone - listening, accepting, encouraging. 'therapeutic relationship'

Question 357

what is problem-solving therapy?

Answer 357

structured mix of counselling and CBT - helps pt learn to deal actively with life problems.

Question 358

what is psychodynamic psychotherapy?

Answer 358

time-intensive, lengthy process (can last years) - not that widely used these days. aims to help patient gain insight and understanding of themselves and their unconscious processes. deals with transference and defence mechanisms etc. mainly used for relationship difficulties and some personality disorders.

Question 359

what are the main underlying principles of psychodynamic psychotherapy?

Answer 359

- emotional and interpersonal problems result from unconscious processes, driven by psychological mechanisms and internal representations developed early in life - therapist looks at patterns of prev relationships and makes interpretations about what patient says - pt expected to gain insight into their emotions and behaviours

Question 360

what are the underlying principles of behavioural therapies?

Answer 360

idea that adaptive behaviours can be learned/maladaptive behaviours unlearned. involves exposure (graded or flooding) and then working on how to deal with inappropriate response, eventually desensitising them. patient is set homework tasks etc.

Question 361

what are the underlying principles of cognitive therapies?

Answer 361

focuses on correcting unhelpful ways of thinking to improve mood/reduce anxiety. therapist asks for detailed description of problem, focussing on the thoughts (cognitions) patient has when experiencing problem. therapist explains role of cognitions in perpetuating problem. patient taught to become aware of and challenge unhelpful thoughts and replace them with others.

Question 362

what is CBT?

Answer 362

combines principles of cognitive and behavioural therapy. identifies unhelpful thoughts, uses exercises and homework to practice replacing them with positive ones. can involve behavioural exercises confronting specific problems/situations, but will focus on cognitions during these more than straight behavioural would. really good, can be delivered telephone/online, self-help manuals, groups, individual, intensive. great for depression, panic disorder, phobias, OCD, there's modified forms for eating disorders, schizophrenia, trauma.

Question 363

what is cognitive analytical therapy?

Answer 363

combines cognitive approach and psychoanalytic concepts. | used in depression.

Question 364

what is interpersonal therapy?

Answer 364

uses cognitive, behavioural and psychodynamic concepts and techniques - focuses on pt's relationships and problems arising from them. occasionally used in depression, bulimia

Question 365

what is dialectical behavioural therapy?

Answer 365

developed specifically for people with EUPD - combines psychoeducation with behavioural skills training, creating strong therapeutic relationship.

Question 366

what is eye movement desensitisation and reprocessing (EMDR)?

Answer 366

used in PTSD people recall and discuss past trauma whilst doing rapid eye movements - meant to help them 'reprocess' and avoid flashbacks - controversia as to how it works

Question 367

what is family therapy?

Answer 367

based on 'systemic' theory that problem is located in family 'system' rather than in the (child) patient - first line in eating disorders in adolescents, but useful for all sorts in CAMHS

Question 368

list the major classes of antidepressants and examples

Answer 368

``` SSRIs - fluoxetine, citalopram, sertraline, paroxetine TCAs - amitriptyline MAOIs - phenelzine SNRIs - venlafazine, duloxetine Other - mirtazapine ```

Question 369

list some mood stabilising drugs, what are they used for?

Answer 369

``` lithium valproate lamotrigine carbamazepine also olanzapine and quetiapine used for bipolar disorder ```

Question 370

list some major causes of non-compliance in psychiatry

Answer 370

- reluctance to accept need for treatment - lack of belief in drug efficacy - concern about drug side effect, incl worry about becoming 'addicted' - stigma - forgetfulness - expense

Question 371

give some ways you can improve compliance with medications

Answer 371

- establish good therapeutic relationship - explore their views about their illness and medications, correct misunderstandings - share info on evidence for and against the drug, and of not taking the drug - consider IM preparations where appropriate

Question 372

describe the timeline of antidepressants beginning to be effective and when you should stop them

Answer 372

most will take 4-6 weeks to take full effect - don't change meds/fiddle with doses till after this meds should be continued for >6 months after remission to prevent relapse should stay on for 1-2 years if recurrent depression.

Question 373

how do SSRIs work? how should they be used?

Answer 373

selectively inhibit synaptic serotonin reuptake transporters, increasing synaptic serotonin concentration start them on full dose OD, should see effect in 7-14 days (side effects can appear first so warn patient) always withdraw slowly

Question 374

what are the potential side effects of SSRIs? also what are the discontinuation symptoms?

Answer 374

GI upset - nausea, abdo discomfort, diarrhoea insomnia, agitation - mostly when first started sexual dysfunction (lack of libido/anorgasmia) common in women. may increase risk of upper GI bleed and hyponatraemia discontinuation - insomnia, nausea, dizziness, agitation (withdraw very gradually over a few weeks)

Question 375

what cautions/contra-indications should you consider for SSRIs?

Answer 375

may increase seizures in epilepsy | can induce serotonin syndrome if given with serotonergic drugs (e.g. MAOIs, lithium, St John's wort)

Question 376

how do SNRIs work? how should they be used?

Answer 376

selective serotonin and noradrenaline reuptake inhibitors venlafaxine and duloxetine. block serotonin and noradrenaline reuptake but don't block cholinergic receptors. venlafaxine is slight more effective that SSRIs so can be used if SSRI non-response. given twice daily, although long acting OD version available.

Question 377

what are the potential side effects of SNRIs? anything to be aware of when using them?

Answer 377

basically the same as SSRIs but can be worse at high dose, can get HTN so monitor BP. avoid MAOIs.

Question 378

how does mirtazapine work? how should it be used/what are the side effects to be aware of?

Answer 378

it's a 'noradrenaline and serotonin specific antidepressant' - increases activity in noradrenaline/serotonin systems by blocking negative feedback of noradrenaline on presynaptic alpha-2-receptors. this also enhances serotonin release. used as second-line treatment, or in combo with SSRIs for third line. SEs - sedating, weight gain.

Question 379

how do TCAs work? how should they be used?

Answer 379

mostly used for people intolerance of SSRIs, can be helpful in people with chronic pain. given at night or in divided doses. takes 1-2 weeks to feel effects as for SSRIs but reduction of anxiety and sedation occurs quickly. to minimise initial side effects, start at low dose and increase over 10 days. inhibit presynaptic noradrenaline and serotonin transporters.

Question 380

give some side effects of TCAs, according to which receptor blockade is responsible for them

Answer 380

muscarinic cholinergic receptor blockade = dry mouth, urinary retention, constipation, blurred vision, glaucoma, tachycardia, delirium, sexual dysfunction alpha-1-adrenergic = postural hypotension, drowsiness, sexual dysfunction histamine H1 = drowsiness, weight fain other = arrhythmias, seizures drowsiness = caution about driving/heavy machinery operation

Question 381

what cautions/contra-indications should you be aware of when prescribing TCAs?

Answer 381

avoid in glaucoma, prostatism, recent MI, heart failure, prophyria. caution in epilepsy due to increased seizure frequency. avoid combining with MAOIs. dangerous in overdose - tachyarrhythmias, seizures, coma, death.

Question 382

how do MAOIs work? how should they be used?

Answer 382

monoamine oxidase inhibitors are third-line antidepressants - not as effective + more toxicity than others! main indication is atypical/treatment resistant depression. work by preventing breakdown of monoamines in presynaptic terminals by enzyme monoamine oxidase inhibitors, increasing transmitter availability. if going to use - need a 2 week washout from TCAs or 5 weeks for SSRIs! prescribe in divided doses, educate pt about dietary restrictions.

Question 383

what are the potential side effects of MAOIs?

Answer 383

postural hypotension, insomnia, ankle oedema, dry mouth, dizziness, agitation, headache. in overdose - hypertension, delirium, coma, death.

Question 384

what are the important cautions/contraindications for MAOIs?

Answer 384

MAO also metabolises tyramine, so have to avoid tyramine containing food - cheese, red wine, broad beans, pickled herrings, game, Marmite - can cause hypertensive crisis (headache, palpitations, fever, convulsions, coma) can interact with - opiates, insulin, cold remedies, antiepileptics, SSRIs, TCAs. avoid in heart/liver failure or porphyria.

Question 385

how does lithium work?

Answer 385

unclear mode of action, probably works on secondary messenger systems via phosphatidylinositol and glycogen synthetase kinase 3 (GSK3) pathways

Question 386

how is lithium used?

Answer 386

for relapse prevention in bipolar disorder, it works to prevent both manic and depressive relapses. given as lithium carbonate. need to give for >18 months for benefit to be clear. can be effective in acute mania, although antipsychotics faster, and as adjunct in depression.

Question 387

what are the potential side effects of lithium at therapeutic levels and in overdose?

Answer 387

at therapeutic levels (0.5-1.0mmol/L) - fine tremor, metallic taste, dry mouth, thirst, mild polyuria, nausea, weight gain, hypothyroidism (in 20% women). renal impairment if prolonged use. >1.5mmol/L toxic symptoms - coarse tremor, agitation, twitching, thirst, polyuria. >2.5mmol/L - polyuric renal failure, seizures, coma, death. toxic levels can occur from mild dehydration or low-salt diets.

Question 388

what do you have to do when starting/maintaining a patient on lithium?

Answer 388

discuss commitment and potential dangers. measure U&Es, kidney function, TFTs, maybe an ECG. measure lithium levels weekly to begin, then 3 monthly once stable. titrate dose to maintain levels at 0.5-1.0mmol/L test TFTs and renal function every 6 months. if withdrawing - very gradual to avoid rebound mania.

Question 389

what cautions/contraindications are there to be aware of for lithium?

Answer 389

avoid if adherence likely to be variable/short-lived. avoid in renal failure, pregnancy. don't combine with diuretics, ACE inhibitors, high-dose antipsychotics. caution with NSAIDs.

Question 390

give some info on sodium valproate as used as a mood stabiliser

Answer 390

used when lithium not tolerated/contraindicated, or sometimes in combo with lithium. blocks sodium channels and increases GABA turnover (in epilepsy) start low and titrate up every few days to reach maintenance dose (no specific therapeutic range, decide based on adverse effects). SEs - sedation, tiredness, tremor, GI upset. teratogenic!!

Question 391

give some info on carbamazepine as used as a mood stabiliser

Answer 391

if lithium and sodium valproate hasn't worked. bocks sodium channels. start low, titrate up. measure plasma levels if signs of toxicity (ataxia, confusion, blurred vision). check WCC after a week. SEs - if erythematous rash/leucopenia then stop the drug. others incl. nausea, dizziness, drowsiness and hyponatraemia.

Question 392

give some info on lamotrigine as used as a mood stabiliser

Answer 392

prevents depressive episodes in bipolar, rarely used as monotherapy. blocks sodium and calcium channels, decreases glutamate release. very slow titration needed, every two weeks upped a tiny amount. SEs - if rash, stop drug. also nausea, headache, tremor, dizziness. cautions - be careful if combining with sodium valproate/carbamazepine.

Question 393

what are 'anxiolytics' also known as?

Answer 393

hypnotics/sedatives - drugs used to calm anxiety. | main ones are benzodiazepines - although only for short-term use (long term Rx = SSRIs/TCAs)

Question 394

how do benzodiazepines work?

Answer 394

potentiate inhibitory transmission via the benzodiazepine-binding sit of the GABA(a) receptor. used to relieve acute anxiety/panic/insomnia. also for DTs/alcohol withdrawal, and to augment antipsychotics used for sedation in acute psychosis.

Question 395

give examples of short, intermediate and long acting benzodiazepines

Answer 395

short - midazolam, temazepam intermediate - lorazepam, clonazepam long - chlordiazepoxide, diazepam

Question 396

give some SEs of benzodiazepines

Answer 396

drowsiness, 'hangover effects', headache, nausea, ataxia, dysarthria, delirium. shouldn't be prescribed for 4+ weeks - dependency. withdrawal symps - rebound anxiety, insomnia, visual and auditory hallucinations and seizures - manage by switching from short acting to diazepam and tapering dose down slowly.

Question 397

list the typical vs atypical antipsychotics

Answer 397

``` typical = haloperidol, chlorpomazine atypical = risperidone, olanzapine, clozapine ``` atypical means an antipsychotic that doesn't produce extrapyramidal side effects at clinical doses.

Question 398

generally speaking, how do antipsychotic drugs work?

Answer 398

blocking the D2 dopamine receptors - reverses the excess dopamine activity in mesolimbic system thought to cause psychotic symptoms. usually effective in 70% of patients in treating positive psychotic symptoms within 6 weeks (clozapine is only one with greater efficacy). onset of action is gradual over those 6 weeks.

Question 399

apart from extrapyramidal symptoms, what side effects to typical/conventional antipsychotics cause?

Answer 399

prolactin elevation. anticholinergic side effects sedation weight gain

Question 400

which antipsychotics cause prolactin elevation?

Answer 400

conventional: haloperidol +++ chlorpromazine ++ atypical: risperidone ++

Question 401

which antipsychotics cause anticholinergic side effects?what are these?

Answer 401

e.g. dry mouth, blurred vision, constipation, urinary retention. conventional: haloperidol + chlorpromazine ++ atypical: clozapine +

Question 402

which antipsychotics cause sedation as a side effect?

Answer 402

conventional: haloperidol + chlorpromazine ++ atypical: olanzapine +++ clozapine +++

Question 403

which antipsychotics cause weight gain?

Answer 403

conventional: chlorpromazine + atypical: risperidone ++ olanzapine +++ clozapine +++

Question 404

what are 'extrapyramidal side effects' (EPS)? what are the main four types?

Answer 404

motor abnormalities due to dopaminergic receptor blockade in basal ganglia by conventional antipsychotics (and to some extent, risperidone) 1) acute dystonia 2) Parkinsonism 3) akathisia 4) tardic dyskinesia

Question 405

what is acute dystonia (an EPS)?

Answer 405

painful contractions of muscles in neck, jaw or eyes - particularly occurs in young men given high doses. onset is hours-days. Rx with IM/IV anticholinergic agents e.g. benztropine, procyclidine

Question 406

what is Parkinsonism?

Answer 406

reduced facial movements (mask like), shuffling gait, stiffness, tremor. common in early weeks of treatment. Rx - reduce dose, temporarily add anticholinergic. can be mistaken for depression/negative schizophrenia symptoms.

Question 407

what is akathisia?

Answer 407

feeling of restlessness, need to walk around. very unpleasant. occurs in first months of treatment. mistaken for psychotic behaviour. Rx - lower dose, temporarily add propranolol

Question 408

what is tardive dyskinesia?

Answer 408

uncontrollable grimacing movements of face, tongue or upper body. occurs in 5% of patients taking long-term antipsychotics each year. no treatment, can be irreversible.

Question 409

what are the side effects of risperidone?

Answer 409

causes extrapyramidal side effects, prolactin and weight gain

Question 410

what are the side effects of olanzapine?

Answer 410

sedation and weight gain - metabolic syndrome/diabetes risk

Question 411

what are the side effects of clozapine?

Answer 411

sedation and weight gain, some anticholinergic side effects (dry mouth, blurred vision, constipation, urinary retention etc) - metabolic syndrome/diabetes risk

Question 412

what serious complication can clozapine cause that you would detect via blood test?

Answer 412

agranulocytosis - they have basically 0 white blood cells so massive infection risk - this is why clozapine is reserved for when patients are unresponsive to everything else!! weekly FBCs to monitor WCC - pt must be registered with and engaged with monitoring service - drug has to be stopped if WCC falls - makes it expensive! other SEs - weight gain, metabolic syndrome, hypersalivation, sedation. seizures if high dose.

Question 413

give some features of lithium toxicity

Answer 413

vision loss, D&V, hypokalaemia, ataxia, dysarthria, coma, polyuria/polydipsia, hypo/hyperthermia

Question 414

how do you treat lithium toxicity?

Answer 414

ABCDEs, fluids, haemodialysis if needed

Question 415

what is neuroleptic malignant syndrome? how does it present? how is it managed?

Answer 415

uncommon, life-threatening neuroleptic (antipsychotic) induced disorder symps - fever, muscle rigidity, delirium and autonomic instability. markedly raised serum creatinine kinase. Rx - stop antipsychotic IV fluids to prevent renal failure dantrolene* may be useful in selected cases bromocriptine, dopamine agonist, may also be used

Question 416

what is serotonin syndrome? signs and symptoms?

Answer 416

caused by medications that increase serotonergic activity e.g. SSRIs or when drugs used in combinations. signs = tachycardia, HTN, hyperthermia, agitation, ocular clonus, dilated pupils, tremor, akathisia, hyperreflexia, muscle rigidity, bilateral Babinski signs, dry mucous membranes, flushed skin, increased bowe sounds

Question 417

how do you treat serotonin syndrome?

Answer 417

- stop serotonergic agents - benzodiazepines - cardiac monitoring, may need ITU - IV fluids/O2 - cooling for hyperthermia - if more severe - serotonin antagonists e.g. chlorpromazine/crypoheptadine

Question 418

what are the three key features of a patient's "disorder" that need to be true for you to use the MHA?

Answer 418

must be a: - mental disorder - of a nature or degree of severity requiring inpatient admission - and causing a risk to themselves, others or their physical health

Question 419

who may release a patient from a section?

Answer 419

- nearest relative - responsible clinician (usually the Sect. 12 approved consultant) - mental health act review tribunal - hospital managers

Question 420

list some social interventions that might be put in place for someone with a psychiatric disorder

Answer 420

- benefits - care packages - cultural support - help with housing - help with meaningful activity e.g. volunteer work - safeguarding - person-centered care - access/support with education - social integration