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psychiatry > schizophrenia spectrum > Flashcards

schizophrenia spectrum Flashcards

1
Q

4 A’s of schizo

A

autism, ambivalence/apathy, loose associations, flat affect

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2
Q

definition of schizo: abnormalities in 1+ of what 5 domains

A
  1. delusions
  2. hallucinations
  3. disorganized thinking/speech
  4. grossly disorganized behavior
  5. negative sx
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3
Q

fixed beliefs that are not amenable to change in light of conflicting evidence

A

delusions

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4
Q

gestures, comments, environmental cues are directed at oneself

A

referential delusions

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5
Q

individual believes falsely that another person is in love with them

A

erotomanic delusions

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6
Q

involve a conviction that a major catastrophe will occur

A

nihilistic delusions

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7
Q

preoccupation regarding health and organ fxn

A

somatic delusions

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8
Q

perception like experiences that occur without an external stimuli

A

hallucinations

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9
Q

childlike silliness to unpredictable agitation

A

grossly disorganized or abnormal motor behavior

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10
Q

purposeless and excessive motor activity without obvious cause

A

catatonic excitement

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11
Q

decr in motivated self initiated purposeful activities

A

avolution

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12
Q

diminished speech output

A

alogia

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13
Q

decr ability to experience pleasure

A

anhedonia

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14
Q

lack of interest in social interactions

A

asociality

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15
Q

pervasive pattern of social and interpersonal deficits marked by discomfort or inability to have close relationships, eccentricites

A

schizotypal disorders

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16
Q

what % schizotypal have 1+ MDD?

A

50%

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17
Q

prevalence of schizotypal disorders in US

A

4.6%

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18
Q

schizotypal disorders more common in males or females

A

males

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19
Q

criteria for delusional disorders: presence of ____delusions for ___

A

1+ delusions for 1+ months

20
Q

most frequent subtype of delusional disorder

A

persecutory

21
Q

which type of delusion disorder is more common in males than females

A

jealous

22
Q

delusions, hallucinations, disorganized speech, catatonic behavior for >1 day but less than 1 month, with return to premorbid fxn

A

brief psychotic disorder

23
Q

prevalence of brief psychotic disorder

A

9% of first onset psychosis

24
Q

brief psychotic disorder more common in males or females

A

females

25
Q

when delusions, hallucinations, disorganized speech, catatonic behavior (2+) are present for a significant time during a 1 month period

A

schizophreniform disorder

26
Q

time course of schizophreniform disorder

A

episodes last at least 1 month, but less than 6 months

27
Q

is schizophrenia or schizophreniform disorder more common

A

schizophrenia if 5x more common

28
Q

likelihood of ppl with schizophreniform disorder going on to develop schizophrenia

A

2/3

29
Q

schizophrenia definition: continous signs of disturbance persist for at least ____with ____mon of active sx

A

persist for at least 6 months with 1 month of active sx

30
Q

prevalence of schizophrenia

A

0.3-0.7%

31
Q

negative sx and long duration of schizophrenia is higher in males or females

A

males

32
Q

what % of schizophrenics c/o depressive sx

A

50%

33
Q

what happens to psychotic sx in schizophrenia over time?

A

diminish over a life

34
Q

schizophrenia is higher prevalence where?

A

in urban areas

35
Q

schizophrenia has high comorbidity with what diseases

A

anxiety, OCD, panic

36
Q

rates of comorbidity with substance related disorders in schizophrenics

A

> 50% use tobacco

37
Q

delusions of hallucinations for 2+ weeks in the absence of a major mood episode during a lifetime duration of illness

A

schizoaffective disorder

38
Q

7-25% ppl with 1st episode psychosis are reported with thi disorder

A

substance/medication induced psychotic disorder

39
Q

what % of inpatients with schizophrenia are catatonic

A

35%

40
Q

whe the clinician chooses not to specif why the criteria are not met bu has S/S of schizo-like presentation

A

unspecfifed schizophrenia spectrum

41
Q

where is volume decr in brain of schizo (5)

A
  1. hippocampus
  2. thalamus
  3. temporal
  4. prefrontal cortex
  5. total gray matter volume
42
Q

what part of the brain is enlarged in schizo?

A

lateral and 3rd ventricle

43
Q

what fMRI imaging may correlate with negative sx

A

hypofrontality at rest

44
Q

federal govt substance abuse mental health agency that provides evidence based practice on how to take care of ppl

A

SAMHSA

45
Q

what is the only risk factor for violence within schizophrenic populations

A

auditory command hallucinatons

46
Q

suicide risk with schizophrenics

A

20% within the 1st 5 years of illness

psychiatry (19 decks)

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