2/18: Psychotic disorders I and II

Question 1

psychosis

Answer 1

mental disorder w/impairment of thoughts, reality, ability to communicate interfering w/capacity to deal with reality

Question 2

classic characteristics of psychosis

Answer 2

impaired reality testing, hallucinations, delusions, and illusions

Question 3

key features of schizophrenia spectrum disorders: POSITIVE (not typically seen in normal behavior)

Answer 3

delusions, hallucinations, disorganized thinking (speech), grossly disorganized or abnormal motor behavior (including catatonia)

Question 4

key features of schizophrenia spectrum disorders: NEGATIVE (disruptions of normal emotions and behavior, deficits)

Answer 4

diminished emotional expression, avolition (i.e. decrease in motivated and self-initiated purposeful activity), alogia (diminished speech output), anhedonia (diminished ability to experience pleasure), asociality (lack of interest in social interactions)
*typically need help with everyday tasks, hygiene problems, seen as lazy

Question 5

dx of schizophrenia

Answer 5

pt must have been sick for 6 months or more

active sx lasting at least 1 month

Question 6

schizophreniform disorder

Answer 6

first episode, less than 6 months duration

Question 7

schizoaffective disorder

Answer 7

major mood disorder concurrent with schizophrenia-like psychosis
-mood sx last for 2 wks + psychosis

Question 8

delusional disorder

Answer 8

circumscribed and often BIZARRE delusion, in an otherwise normal-appearing pt

Question 9

brief psychotic disorder

Answer 9

transient psychosis, precipitated by stress

Question 10

classification of schizotypal disorder

Answer 10

personality disorder (cluster A) + schizophrenia

Question 11

psychotic disorders common in medical setting

Answer 11

substance/medication induced psychotic disorder
psychotic disorder due to general medical condition
catatonia
delirium
dementia

Question 12

substance/medication-induced psychotic disorder

Answer 12

persistent, prominent delusions and/or hallucinations that developed during or soon after substance intoxication or withdrawal, or after Rx that can produce these sx (NOT the same thing as delirium)
*the condition would not be better explained by a pre-existing psychotic disorder

Question 13

psychotic disorder due to general medical condition

Answer 13

evidence from hx, PE, labs that psychosis is due to the physiological effects of a med condition, did not precede the onset of the medical condition, does not exclusively occur during delirium

Question 14

examples of psychotic disorder due to general medical condition

Answer 14

malignant lung neoplasm, MS, brain injury, hypothyroidism

may improve w/improvement in the medical condition

Question 15

catatonia

Answer 15

severe psychomotor disturbance, may be associated w/schizophrenia, depressive stupor, etc.
**can be life-threatening

Question 16

delirium

Answer 16

AMS, lasting hrs to days, potentially life threatening

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