Psychotic Disorders Flashcards
Positive sx;s
= are an excess or distortion of normal fxns: things that are there that shouldn’t be
- Delusions
- Hallucinations
Negative sx’s
=things that should be there but are not
- blunted affect
- anhedonia
- apathy
- inattentiveness
- less dramatic then positive sx’s
Delusions =
fixed false beliefs that cannot be altered by rational arguments and can’t be accounted for by the cultural background of the pt
-referential, somatic, religious, grandiose, bizarre, paranoid, erotomania, jealousy
Types of delusions
- Paranoid
- ideas of reference (ideas that some event is uniquely related to the individual)
- thought broadcasting (belief that one’s thoughts can be heard by other
- delusions of grandeur
- delusions of guilt
Hallucinations can be:
- auditory (most common)
- visual
- tactile
- olfactory
Delirium features
- short term confusion and changes in cognition
- is associated with fluctuating sensorium, sudden onset, brief fluctuating course and rapid improvement with tx of underlying disorder
- can be treated usually
Etiologies of Delirium
- general medical cndtn
- substance induced
- multiple etiologies
- NOS
schizophrenia =
clinical syndrome of variable but profoundly disruptive psychopathology that involves cognition, emotion, perception and other aspects of behavior
Clinical Dx of Schizophrenia
- at least 2 ax’s present for at least 1 mnth:
- delusions
- hallucinations
- disorganized speech
- disorganized or catatonic behavior
- negative sx’s
- social/occupational dysfxn for at least 6 mnths
Dx exception of schizophrenia
- only 1 sx needed if:
- delusions are bizarre, 2 or more voices converse or voices are commentary
Risk Factors for Schizophrenia
- Medical illness
- Birth season: born in winter or spring
- gestational birth complications
- exposure to flu epidemics
- maternal starvation during pregnancy
- substance abuse
- genetic factors
Schizophrenia Epidemiology
- males = females
- equal worldwide but higher incidence in =urban areas of industrialized nations
- males: age of onset is 18-25
- females: age of onset is bimodal: 25-35 and another peak after 40
Subtypes of Schizophrenia:
- Disorganized
- Catatonic
- Residual
- Undifferentiated
- Paranoid
Disorganized schizo
- disorganized speech/behavior, flat/inappropriate affect
- early onset
- poor prognosis
Residual schizo
- No hallucinations, delusions or disorganized speech
- Negative sx’s are prominent