Major Depressive Disorder
Epidemology
Major Depressive Disorder
Risk Factors
SOCIOECONOMIC STATUS NOT A RISK FACTOR
Neurotransmitters
Adrenaline/Epinephrine
Neurotransmitters
noradrenaline/norepinephrine
Neurotransmitters
dopamine
Neurotransmitters
serotonin
Neurotransmitters
Serotonin Side Effects
Neurotransmitters
GABA
Neurotransmitters
acetylcholine
Neurotransmitters
glutamate
Neurotransmitters
Endorphins
Escalation of Treatment Resistant Depression
Psychotic Disorders
what is psychosis?
Psychosis
Delusions describe
Ex. A patient has delusions that she won a house, she fully believes this despite lack of evidence. She packs her things, tells her family she is moving, etc.
Psychosis
describe hallucinations & types
Types
* Auditory is most common in psychotic disorders - usually in the form of a voice, not just a noise
* Others include: visual, tactile. Olfactory and gustatory typically medical cause involving temporal lobe.
Psychosis
Disorganized Thinking/Speech
Types
* Derailment - switching from topic to topic with no logical connection
* Thought blocking - sudden and involuntary interruption
* Tangentiality - answers to questions are seem to be unrelated and gradually deviate
* Incoherence - unintelligible sounds that may or may not be words
* Word salad - mix of seemingly random words strung together in a “sentence”
Psychosis
Grossly Disorganized Behavior
Can range from….
* Resistance to instructions (negativism)
* Maintaining a rigid, inappropriate or bizarre posture (waxy flexibility)
* Complete lack of verbal and motor response (mutism and stupor)
* Purposeless and excessive motor activity without obvious cause (catatonic excitement)
Psychosis
Negative Symptoms
Psychosis
Delusional Disorder types:
* erotomanic
* grandiose
* jealous
* persecutory
* somatic
Schizophreniform Disorder
Specifiers
* w/ good prognostic features
* w/out good prognostic features
* w/ catatonia
W/ good prognostic features
* 2+ of the following:
* onset of prominent psychotic symptoms within 4 weeks of the first noticeable change;
* confusion/perplexity;
* good premorbid social and occupational functioning;
* absence of blunted or flat affect
w/out good prognostic features
* when 2+ of abvoe aren’t met
w/ catatonia (self explanatory)
Psychosis
typical vs atypical antipsychotics
Typicals
* 1st gen
* reduce dopamine
* work best on positive sx
* risk of EPS and anti-HAM sx
Atypicals
* 2nd gen
* decrease dopamine; increase serotonin
* works on pos and neg sx
* risk of metabolic side effects
Bipolar Disorders
Epidemiology of 1 vs 2
Bipolar 1
* 0.6% population
* M=F but men have manie and women have depression/cycling
Bipolar 2
* 0.8% of population
* F > M
* avg onset mid 20s
no relationship between life events, personality, childhood experiences, or race
Bipolar Disorders
Risk Factors/Complications 1 vs 2
Bipolar 1
* 6-7% die from suicide w/ highest risk immediately after hospital discharge
* very heritable (73-79%)
Bipolar 2
* hypomanie causes less impariment but depressive episodes are severe
* 33% attempt suicide with 6-7% dying
* 5-15% have manic episode and lead to bipolar 1 dx
Bipolar
diagnostic clinical tips for bipolar