Brief Psychotic Disorder

Question 1

criterion A for brief psychotic disorder

Answer 1

presence of at least ONE of the following symptoms:

delusions

hallucinations

disorganized speech

grossly disorganized or catatonic behaviour

at least ONE of these must be one of the first three (I.e cant just have grossly disorganized/catatonic behaviour)

Question 2

criterion B brief psychotic disorder

Answer 2

duration of an episode of disturbance is at least ONE DAY but less than ONE MONTH with eventual RETURN TO premorbid level of functioning

Question 3

criterion C brief psychotic disorder

Answer 3

disturbance not better explained by major depressive or bipolar disorder with psychotic features or another psychotic disorder such as schizophrenia or catatonia and is not attributable to the physiologic effects of a substance or another medical condition

Question 4

list specifiers for brief psychotic disorder

Answer 4

1. with marked stressor(s) (brief reactive psychosis)
2. without marked stressor(s)
3. with post partum onset
4. with catatonia

Question 5

what is brief psychotic disorder with marked stressor(s)

Answer 5

use this if symptoms occur in response to events that, singly or together, would be markedly stressful to almost anyone in similar circumstances in the individuals culture

Question 6

what is brief psychotic disorder without marked stressors

Answer 6

use this if symptoms DO NOT occur in response to events that, singly or together, would be markedly stressful to almost anyone in similar circumstances in the individuals culture

Question 7

what is brief psychotic disorder with post partum onset

Answer 7

use this is onset is during pregnancy or within FOUR WEEKS post partum

Question 8

are there mood symptoms with brief psychotic disorder

Answer 8

no

Question 9

do you experience functional decline in brief psychotic disorder

Answer 9

no–> characterized by full resolution of symptoms

Question 10

ddx brief psychotic disorder

Answer 10

1. endocrine
2. metabolic
3. autoimmune
4. infections
5. seizures/temporal lobe epilepsy
6. space occupying lesions
7. strokes, TBI
8. MS, huntingtons disease
9. nutritional deficiencies

Question 11

what endocrine disorders may be on the ddx for brief psychotic disorder

Answer 11

hypothyroidism/cushings disease

Question 12

what metabolic disorders may be on the ddx for brief psychotic disorder

Answer 12

tay-sachs

niemann-pick

Question 13

what autoimmune disorders may be on the ddx for brief psychotic disorder

Answer 13

lupus

hashimotos thyroiditis

Question 14

what infections may be on the ddx for brief psychotic disorder

Answer 14

neurosyphillis

HIV infection

Question 15

what is the essential feature of brief psychotic disorder

Answer 15

disturbance that involves SUDDEN ONSET of at least one of the positive symptoms of psychosis

sudden onset = change from nonpsychotic state to clearly psychotic state WITHIN TWO WEEKS

usually WITHOUT prodrome

Question 16

prevalence of brief psychotic disorder

Answer 16

may account for 9% of cases of first onset psychosis

Question 17

is there a gender difference in prevalence of brief psychotic disorder

Answer 17

yes–> twofold more common in females than males

Question 18

what is the average age of onset of brief psychotic disorder

Answer 18

mid 30s

can occur across lifespan and may appear in adolescence or early adulthood

Question 19

what might predispose someone to brief psychotic disorder

Answer 19

pre-existing personality disorders and traits i.e schizotypal or borderline PDs or traits in the psychoticism domain i.e perceptual dysregulation and the negative affectivity domain i.e suspiciousness may predispose to brief psychotic disorder

Question 20

what is the prognosis for brief psychotic disorder

Answer 20

high rates of relapse

BUT still outcome is excellent for most in terms of social functioning and symptomatology

Question 21

what is the first line treatment for brief psychotic disorder

Answer 21

antipsychotics–> particularly second generation

Question 22

how long should you treat brief psychotic disorder with antipsychotics

Answer 22

even though symptoms by definition resolve within 1 month, recommend treating 1-3 months after symptom resolution

Question 23

which second gen antipsychotic may be more preferable in lactating mothers

Answer 23

olanzapine

Question 24

what are positive prognostic factors for brief psychotic disorder

Answer 24

absence of genetically related individuals with schizophrenia or brief psychotic disorder

sudden symptom onset

presence of stressful triggers

short duration of symptoms