EH - Psychiatry Flashcards
Timing criteria for schizophrenia?
6+ months; Any symptoms (negative)
Timing criteria for schizophreniform disease?
1-6 months
Prevalence of schizophrenia?
0.5 – 1.0%
Risk for schizophrenia in twin brother?
50%
Risk for schizophrenia in sibling?
10%
Origin of (+) symptoms in schizophrenia?
Excess dopamine in mesolimbic tract
Origin of (–) symptoms in schizophrenia?
Deficient dopamine in mesocortical tract
Patient presents with delusions, hallucinations, flattened affect for past 3 weeks – diagnosis?
Brief psychotic disorder
Timing criteria for Brief psychotic disorder?
Between 1 week and 1 month
Best treatment for Brief psychotic disorder?
1st generation antipsychotics
Benefit of 1st generation antipsychotics in treatment of schizophreniform disease and Brief psychotic disorder?
Alleviates (+) symptoms; Does not alter course of disease
Pt presents with 3 years of persecutory delusions; 6 months ago began experiencing increased guilt, sleep disturbance, sadness, SI – diagnosis?
Schizoaffective disease … psychotic symptoms are present in the absence of depression
Best treatment for Schizoaffective disease?
Antipsychotic + Antidepressant
Treatment for psychotic depression?
ECT
Patient is convinced that celebrity is in love with him; Otherwise functional in daily life – diagnosis?
Delusional disorder
MOA of haloperidol?
Inhibits D2 dopamine receptor

2 AEs of haloperidol?
Galactorrhea, Extra-pyramidal symptoms
What accounts for galactorrhea in setting of haloperidol use?
Inhibition of dopamine release in tubuloinfundibular tract
What accounts for extra-pyramidal symptoms in setting of haloperidol use?
Inhibition of dopamine release in nigrostriatal tract
High potency anti-psychotics?
Haloperidol, Fluphenazine

Low potency anti-psychotics?
Chlorpromazine, Thioridazine, Levomepromazine

AE of low potency anti-psychotics?
Greater anticholinergic AEs

Benefit of low potency anti-psychotics?
Fewer extra-pyramidal symptoms

Which medication is responsible for purple-grey metallic rash over sun-exposed skin + jaundice?
Chlorpromazine
… (colorful)




























