Psychotic Disorders Flashcards
Delusions
Fixed and firm beliefs that are not centered in reality
Wont change even with evidence
Hallucinations
Perception without external stimuli
Illusions
Perceived something incorrectly
Ex: seeing a sweater on the ground and thinking it is a cat
2 types of catatonia
Inhibited
Catatonic excitement
What is the highest yield question to determine between primary and secondary psychosis?
Could you tell me today’s complete date?
Secondary etiologies often will be confused and won’t know the date
Prominent visual hallucinations as the main symptom point more to…
Secondary causes of psychosis
Characteristic symptoms of schizophrenia
Audible thoughts
Voices arguing
Voices heard commenting on one’s actions
Somatic passivity experiences (aliens controlling body)
Thought withdrawal
Diffusion of thought or thought broadcasting
Delirium
Hallucinations or delusions can be present
Key aspect is that they are disoriented and confused
Acute, confusional syndrome
Circadian rhythms also messed up - asleep during day, awake at night
Often see in the ICU/post surgery/wards
ABCDE approach to diagnosis in the DSM
A: signs/symptoms B: functional impairment C: duration D: exclusion from other primary causes E: exclusion from secondary causes
Brief psychotic disorder
Duration is 1 day to 1 month
Before episode was fine (no prior psych hx)
Quick onset (within 2 weeks)
Person recovers fully and returns to baseline
No negative symptoms
Schizophreniform disorder
Duration is 1 to 6 months
Looks like schizophrenia just not for long enough
Can be some signs before the episode that they weren’t doing well (not out of the blue)
Will see negative symptoms
Schizoaffective disorder
Psychosis and mood disorder
The psychosis can present with mood symptoms but will also present in isolation
Delusional disorder
Only delusions
Does not present with negative symptoms
Can be functioning very well in other life aspects
Schizophrenia
Duration > 6 months
Remitting/relapsing course (90%)
Acute episodes most frequently followed by residual defect (not full recovery)
Reduces life span by ~10 years
Risk factors for schizophrenia
Poor premorbid functioning Cognitive dysfunction Male Obstetric complications Increased paternal age