Psychosis

Question 1

Schizophrenia

Answer 1

The presence of delusions, hallucinations, disorganized speech or behavior for a significant amount of a one month period.

Question 2

Is schizophrenia genetic?

Answer 2

Yes

Question 3

Schizophrenia epidemiology

Answer 3

1% of population
Men admitted from 8-25
Women admitted from 25 - 35

Question 4

Facts about schizophrenia

Answer 4

Highly disabling
Persists throughout life
Only half of patients obtain tx

Question 5

Schizophrenia dx

Answer 5

COntinuous signs of disturbance persisting for at least 6 months and within this at least one month of active phase sx.

Question 6

Schizophrenia “negative” symptoms

Answer 6

Flattening, alogia, blocking, poor grooming, anhedonia, social withdrawl.

Question 7

Schizophrenia positive sx

Answer 7

Delusions

Hallucinations

Question 8

Normal brain structures and good response to tx =?

Answer 8

Patients with mostly positive syptoms

Question 9

Abnormal brain structures and poor response to tx =?

Answer 9

Patients with predominantly negative sx.

Question 10

Paranoid sype schizo

Answer 10

Preoccupation with one or more delusions and frequent auditory hallucinations.
Have organized speech, no flat affect.

Question 11

Disorganized type schizo

Answer 11

Disorganized speech and behavior.

Flat affect

Question 12

Catatonic type schizo

Answer 12

Motor immobility
Purposeless motor activity
Extreme negativism
Echolalia, echopraxia

Question 13

4 components of a delusion

Answer 13

1. False belief
2. Based on incorrect inference on external reality.
3. not consistent w/ intelligence or culture
4. Cannot be corrected by reasoning

Question 14

Why might a schozophrenic not take meds?

Answer 14

Because they have poor insight into the severity of their condition.

Question 15

Schizo brain changes.

Answer 15

Lateral and 3rd ventricle enlargement.

Reduction in cortical volume

Question 16

Schizophrenia prognosis

Answer 16

50% of patients have poor outcome.

20-30% can live normal lives.

Question 17

What % of schizos attempt suicide?

Answer 17

50%

Question 18

Schizoaffective disorder

Answer 18

Major depressive disorder or manic episode AND delusions or hallucinations in the ABSENCE of the mood sx.
Better prognosis than for schizophrenia.

Question 19

Brief psychotic disorder

Answer 19

Symptoms of psychosis persist for more than one day but less than one month.
Most patients never have another episode!

Question 20

Delusional DIsorder

Answer 20

Powerful delusion without other s/s of psychosis.

Delusions are non-bizarre.

Question 21

Schizophreniform Disorder

Answer 21

Based on schizophrenia like sx for more than 1 month but less than 6 months.
If sx last more than 6 months, progresses to full blown schizophrenia.