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NEUROPSYCH Flashcards

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1
Q

Categories of Psychiatric Disorders

A
  • Neurodevelopmental disorders
  • Neurocognitive disorders
  • Personality disorders
  • Psychosis
  • Depressive Disorders
  • Bipolar Disorders
  • Anxiety diorders
  • Trauma or stressor related diorders
  • Substance use disorders
  • Somatic symptom and related disorders

Obsessive compulsive Disorders

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2
Q

Neurodevelopmental disorders

A

Inborn conditions of the CNS

Includes:

  • ADHD
  • ASD
  • Intellectual Disability
  • Specific Learning Disorders
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3
Q

ADHD

A
  • Inattention
  • Hyperactivity and/or
  • impulsitivity
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4
Q

ASD

A

Social impairment and sterotypic behaviors

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5
Q

Intellectual Disability

A

impairments in adaptive functioning + documented subpar intellect, usually via IQ testing

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6
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Specific Learning Disorder

A

formerly called dyslexia

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7
Q

Neurocognitive Diorders

A

Conditions affecting the CNS that impacts a person’s cognitive capacity, which includes memory, language, attention, perception, and executive functons. formerly called dementia describes a long term cognitive decline

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8
Q

Delirium

A

Neurologic diagnosis of encephalopathy - a global disruption off brain function

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9
Q

Personality disorders

A

enduring pattern of inner experience and behavior that is inflexible, pervasive, causes distress or dysfunction, and is stable in late adolescence/early adulthood onwards.

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10
Q

Cluster A (odd and eccentric)

A

tendency towards psychosis; may represent prodrome or residual symptoms of schizophrenia

  • Paranoid
  • Schizoid
  • Schizotypal
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11
Q

Paranoid

A

suspicious and distrubing

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12
Q

Schizoid

A

detached and lacking in emotion

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13
Q

Schizotypal

A

distorted and magical thinking

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14
Q

Cluster B (“emotional and erratic’)

A

tendency towards Mood disorders

  • Histrionic
  • Narcissistic
  • Antisocial
  • Borderline
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15
Q

Histrionic

A

attention seeking and emotional

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16
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Narcissistic

A

self important, lacking in empathy, needing admiration

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17
Q

Antisocial

A

disregard for laws and rights of others; with evidence of conduct disorder before 15 years of age

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18
Q

Borderline

A

unstable sense of self; tends to be impulsve; associated with self-harm, turbulent relationships, and emotional outbursts

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19
Q

Cluster C (“fearful and ansious”)

A

tendency towards anxiety disorders

  • dependent
  • avoidant
  • obsessive
  • compulsive
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20
Q

Dependent

A

clingy and submissive

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21
Q

Avoidant

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socially inhibited with feelings of inadequacy

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22
Q

Obsessive compulsive

A

perfectionist and rigid

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23
Q

Anxiety Disorders

A

Can include 2 phenomenoms:

  • fear, which is mediated by the amygdala and is connected to the sympathetic nervous system
  • worrying, which is a cognitive processess mediated by the cortico-striatal pathway
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24
Q

Panic Disorders

A

presence of 1 panic attack + 1 month of more of persistent worrying or maladaptive change in behavior in response to the attack

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25
Panic Attack
A panic attack is a spontaneous episode of anxiety characterized by a combination of psychological and physiologic symptoms **Psychological:** * derealizaion, * fear of losing control **Physiologic:** * palpitations * tachycardia * trembling * shortness of breath * choking * chest pain, * nausea * abdominal distress * dizziness * chills/heat sensation
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Generalized Anxiety Disorder
Excessive anxiety and worry occuring for most days than not in a span of at least 6 months restlessness, being easily fatigue, difficulty concentrating or mind going blank, irritability, muscle tension, and sleep disturbances
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Agoraphobia
Modifier for a panic disorder but is now a stand alone diagnosis marked fear or anxiety in situations where escape is deemed diffcicult
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Social anxiety disorder
Consistent fear or anxiety about social situations in which the individual is subject to the possibility of scrutiny by others
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Acute stress disorder and PTSD
exposure to actual or threatened death, serious injury, or sexual violence. 1. Intrusion symptoms: memories, dreams 2. negative mood/ cognitive changes - inability to experience positive emotions 3. Dissociative symptoms - depersonalization, derealiation 4. avoidance symptoms - 5. Arousal symptoms - sleep disturbancem irritability, angry outbursts, hypervigilance, problem with concentration, exaggerated startle response Acute: 3 days to 1 month
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Post traumatic:
more than 1 month, involves more long term negative alterations to cognitive schemes and mood and may be delayed in manifestation
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Adjustment disorder
refers to the development of out-of-proportion emotional or behavioral symptoms in response to an identifiable stressor (not necessarily life threatening) within 3 months of its onset. **Modifiers:** 1. with depressed mood 2. with anxiety 3. with mixed anxiety and depressed mood 4. With disturbance of conduct
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Conversion disorder or functional neurological symptom disorder
development of neurologic deficits incompatible with recognized neuromedical conditions
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Illness Anxiety disorder
formerly called hypochondriasis, this involves preoccupation with having serious illness despite having minimal symptoms
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OCD
Obsessions are recurrent, intrusive, specific, and distressing thoughts bringing about anxiety to a patient Compulsions are repetitive actions, whether mental or actual, which the patient cannot stop doing and is usually a way for him or her to control the anxiety brought about by obsessions. It is usually not a logical response to the content of the obsession.
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Absolute psychiatric indications for admission
* Harm to self * Harm to others * Non-compliance to medications * Social Emergencies
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Psychosis
* Hallucinations * Delusions * Disorganized Behavior * Disorganized speech * Negative sx: Flattening of affect, avolition, alogia, extreme social withdrawal \*\***2 out of 5 symptoms** must be fulfilled for a psychotic disorder
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Pathophysiology of psychosis
Result of dopamine dysregulation in the brain. Dopamine is influenced by serotonin and glutamate **Positive Symptoms**: Increased Dopamine in the MESOLIMBIC TRACT **Negative symptoms**: DECREASED DOPAMINE in the MESOCORTICAL TRACT Dopamine is also found in the nigrostriatal tract - blockafe causes EPS Dopamine also inhibits prolactin release in the TUBEROINFUNDIBULAR TRACT - blockade causes hyperprolactinemia which leads to amenorrhea-galactorrhea syndrome and gynecomastia
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Brief psychotic episodes
1 day to 1 month Usually bot not always, an isolated episode associated with a stressor. Not usually associated with negative symptoms **Tx:** short course antipsychotics
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Schizophreniform
1 month to 6 months around 2/3 progress into schizophrenia
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Schizophrenia
greater than 6 months with 1 month of active symptoms More likely to see negative symptoms. More likely to have gradual cognitive and functional decline related to chronic neurodegenerative process Tx; Log-term maintenance with anti-psychotics
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Schizoaffective disorder
2 or more weeks of psychotic symptoms alone with the eventual development of a major mood episode (fulfills criteria for MDD/bipolar) still in the temporal context of the psychosis classified as depressed type or bipolar type usually treated with a combination of antipsychotics and antidepressant/mood-stabilzier
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Delusional disorder
psychosis which is only has delusions as its primary symptom. It more commonly involves non-bizarre delusions
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Substance or medication induced psychosis
MAP and other stimulant withdrawal cannabis steroid
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Psychosis secondary to another medical condition
can arise from epilepsy, sle.
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Treatment for psychosis
use of antipsychotic medication Psychotherapy Psychosocial intervention
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Anti-psychotics
Dopmanine receptor antagonists Serotonin and dopamine antagonists (atypical)
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Dopamine receptor anataonists or typical anti psychotics
* haloperidol * chlorpromazine * fluphenaine * flupenthixol decanoate or depot drugs injected monthly Side effects: EPS, Akathisia, tardive dyskinesia, Neuroleptic malignant syndrome (NMS)
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Akithisia
subjective feeling of restlessness
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tardive dyskinesisa
a hyperkinetic disorder due to upregulation of D2 receptors resulting from chronic DRA use
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Neuroleptic malignant syndrome
("FEVER") * Fever * Encephalopathy * Vitals Unstable * Elevated muscle enymes * Rigidity
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Serotonin and dopamine antagonists (SDA) or atypical antipsychotics
* Risperidone * olanzapine * quetiapine * clozapine * amisulpride * aripiprazole * asenapine * paliperidone MORE EFFECTIVE FOR **NEGATIVE SYMPTOMS** side effects: Metabolic syndrome, sedation, with less EPS **Clozapine** can lower seizure threshold and has idiosyncratic reaction of **AGRANULOCYTOSIS.** **Olanzapine**, known for having the **highest weight gain**
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Depression
at least 5 of nine symptoms for a span of atleast 2 weeks **TWO CORE SYMPTOMS.** * 1. Depressed mood * 2. Anhedonia or inability to find pleasure in anything **THREE PSYCHOLOGICAL SYMPTOMS** * 3. Recurrent thoughts of death or suicidality * 4. feelings of worthlessness or inappropriate guilt * 5. Difficulty on concentration **FOUR SOMATIC or BODY RELATED SYMPTOMS** * 6. Disturbances in appetite or weight * 7. Disturbance in sleep * 8. Psychomotor retardation or agitation * 9. Fatigue
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Pathophysiology of Depression
Hypofunctioning of the serotonegc, dopaminergic, and norepinehrinergic circuits of the brain Not necessarily just a lack of those NT Psychological and social factors play a big role in depression and may be the ones responsible for the biological changes in the brain especially in those genetically vulnerable through epigentic and neurohormonal factors Subtypes of major depression: * with atypical features * with melancholic features * with anxious distress * with psychotic features * with catatonia * with postpartum onset * with seasonal pattern
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Teatment of Depression
Mild: Psychotherapy Moderate or Severe: combined pharmacology and psychotherapy Severe: Electroconvlsive therapy
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Antidepressants
* SSRI * TCA * MAO
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SSRI
* Escitalopram * setraline * fluoxetine * paroxetine **\*Duloxetine: SNRI** Side effects: GI disturbances, headcahe, restlessness
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TCA
* Imipramine * clomipramine * amytryptylline Side effects: Prolongation of the QT interval in the ECG, leading to arrhythmias
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MAO
Isocarboxazid Side effects: Combining this with tyramine-containing food such as cheese will cause hypertensive crisis.
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Bipolar 1 Disorder
diagnosed if the patient has a single manic episode. A depressive episode preceding or following the manic episode is common. but is NOT necessary for diagnos
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Manic episode
when a person has abnormally and persistently elevated expansive or irritable mood for a period of atleast 1 week + 3 symptoms.
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symptoms of Mania: Mood elevation or irritability +
* 1. inflated self-esteem or grandiosity * 2. decreased need for sleep * 3. Pressured speech * 4. Flight of ideas or racing thoughts * 5. Distractability * 6. Increased goal-directed activity or psychomotor agitation * 7. Excessive involvement in activities with high potential for adverse consequences
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Bipolar 2 disorder
diagnosed if the patient has at least one hypomanic episode + at least one Major depressive episode
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hypomanic episode
same symptoms of mania but is not severe enough to warrant hospitalization or severe functional impairment, minimum of **4 days duration**
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Pathophysiology of Bipolar
dysregulation of the monoamine neurotransmitters which include dopamine, serotonin, and norepinephrine overlap with elevated dopamine psychosis - some psychotic episodes does not involve cognitive and functional decline. There is return to baseline functioning during the interim, at least in the microbiological aspect
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treatment for bipolar disorder
**Mood stabilizers** are the first line treatments for bipolar disorder. However, this is commonly augmented with **atypical antipsychotics** **For pregnant**: ATYPICAL antipsychotics Antidepressants are used with caution. (push into manic episode) Psychotherapy
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Mood Stabilziers
* Lithium * Valproic Acid
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Lithium
Modulatory effects on intracellular secondary messengers of monoamine neurons Cheap but effective but has a narrow therapeutic range (0.8 to 1.2 mEqs) Toxicity: Gi disturbances, tremors, delirium, acne, weight gain, diabetes insipidus, hypothyroidism, kidney damge and teratogenesis
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Valproic Acid
Antiepileptic drug that prevents overfiring of monoamine neurons by stabilizing the membrane Wider Tx range than lithium, but is also teratogenic: **neural tube anomalies**
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Delirium
neurobehavioral sequelae of a physiologic derangement that affects global brain functions, should always be ruled out of patients with psychiatric symptoms corresponds to the neurologic diagnosis of encephalopathy
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Features of Delirium
Disturbance in sensorium and cognition. * May be hyperactive or hypoactive type * Changes in sensorium (drowsiness reversed sleep-wake pattern) are seen in severe cases * Impairment in attention and presence of disorientation * May involve psychotic symptoms * May result to agitation Tends to develop over short period of time (acute) and tends to fluctuate throgh the day.
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Common precipitants of Delirium
* Uremia * hepatic encephalopathy * Hypoxia, including severe anemia * Metabolic derangements (electrolytes, glucose, etc.) Sepsis * Substance toxicity/withdrawal, including anesthetics
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Treatment for delirium
Treat underlying etiology Psychotropics are given to control the delirium Atypicals: low doses **Benzodiazepines** for anxiolysis and sedation
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Substance Related Disorders
assess three dimensions. * Acute Effects * Pattern of substance Use * Underlying psychiatric disorder
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Wernicke Korsakoff syndrome
* ophthalmoplegia * confusion * ataxia caused by **thiamine deficiency** from **chronic alcoholism**
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Characterize Substance Use disorder
* Tolerance * Withdrawal * craving * Failed attempts to cut down * taken in larger amounts or longer * Great deal of time is spent to obtain the substance * Failure to fulfill major role obligations at work,school * Important occupations are given up because of substance use * Recurrent use in situations where it is physically hazardous * Use of continued despite knowledge of having persistent or recurrent physical or psychological problem * Continued use despite social problems
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Mild Use disorder
2-3 symptoms
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Moderate use disorder
4-5 symptoms
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Severe use disorder
6 or more
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Early remission of use disorder
3-12 months off the substance
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Sustained remission of use disorder
greater than 1 year
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Chlorpromazine
Antipsychotics (typical) 200mg, 1 tab HS to BID
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Fluphenazinedecanoate
Antipsychotics (depot drug) 25mg/ml, 1mL IM every month
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Flupentixol
Antipsychotics (depot drug) 20mg/ml, 1ml IM every month
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Biperiden
Antipsychotics for EPS/akathisia 2 mg tab, 1 tab OD PRN
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Risperidone
Antipsychotics (ATYPICAL) 2mg tab, 1 tab HS to BID
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Olanzepine
Antipsychotics (ATYPICAL) 10mg tab, 1 tab HS to BID
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Clozapine
Antipsychotics (ATYPICAL) 100mg tab, 1-3 tabs HS or divided through the day (slow uptitrated, for treatment resistant psychosis) **serial CBCs** must be done
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Escitalopram
Antidepressants 10 mg tab, 1 tab OD
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Setraline
Antidepressants 50 mg tab, 1 tab OD
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Fluoxetine
Antidepressants 20 mg tab, 1 tab OD`
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Sodium Valproate + Valproic Acid
Bipolar 1 500mg tab, 1 tab BID to TID
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Lithium carbonate
Bipolar 1 450mg tab, 1 tab BID
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Haloperidol LActate
for agitation 5mg +/- diphenhydramine 50 mg cocktail IM PRN \*\*Diphen may cause delirium in geriatrics because of anticholinergic effects
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Haloperidol lactate
For delirium 5mg IV PRN
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Clonazepam
for insomnia 2mg tab, 1/4 to 1/2 tab PRN \*requires yellow prescription
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Diphenhydramine
For insomnia 50mg tab, 1/2 to 1 tab HS PRN
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Quetiapine
for insomnia 25 mg tab, 1 tab HS
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Neurotransmitter primarily involved in the reward pathway?
Dopamine
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Group of signs and symptoms occurring when a substance is reduced in amount after heavy and prolonged use
Withdrawal state
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Lifetime prevalence of alcohol dependence
14%
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At least 2 years of alternating depression and hypomanic episodes
Cyclothymia
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DSM -5 Criteria for Manic Episode
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DSM-5 criteria for hypomania
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DSM-5 criteria for Major depressive episode
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DSM-5 Bipolar I
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DSM 5- Panic Disorder
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DSM-5 Acute stress disorder
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Which class of medication is the preferred long term treatment for panic disorder?
Antidepressants
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Timeline for Acute Stress Disorder
3 days to 1 month
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If there is a decrease in the dopamine levels in the tuberoinfundibular area, what will maifers?
Breast enlargement among male patients
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DSM 5 -MDD
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Clonazepam relieves anxiety symptoms by...
acting on the GABA receptor complex
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What receptor does escitalopram acts on?
Serotonin
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What receptor does risperidone acts on?
Dopamine and serotonin
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What receptor does Donepezil acts on?
Acetylcholine
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What receptor does Desvenlafaxine acts on?
Serotonin and Norepinephrine
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What receptor does haloperidol acts on?
Dopamine
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Most depressive disorders begin by age:
18-25
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Which pathway is affected with the patient with schizophrenia manifests with impaired cognitive functions?
Mesocortical pathway
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Decreased dopamine activity in this tract produces negative symptoms of schizophrenia
mesocortical
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The EPS side effects of medications for schizophrenia is caused by blocking the receptors in the...
nigrostriatal pathway
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Which receptors/do most of the atypical antipsychotics block?
5HT2A and D2
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Drug of choice for agitated psychotic patients
Haloperidol + Diphenhydramine
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Strongest predictor of violence
Past history of violence or criminal behavior
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Strongest risk factor for suicide
Past suicide attempts
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According to WHO, DALY stands for?
Disability Adjusted Life years
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What is the most important neurotransmitter involved in the etiology of seizures?
GABA
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Most common cause of Dementia?
Alzheimer's disease
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