031315 schizophrenia Flashcards
onset of schizophrenia usually occurs
in late teens. usually INSIDIOUS
men get onset earlier than women
Bleuler’s four As
associations-loose
affect (incongruence-pt will talk about sad subject and laugh)
autism- not “autism”. difficulty telling what’s on outside and what’s on inside (delusions, hallucinations)
ambivalence-hard time making decisions
Schneider’s “first rank symptoms”
not specific to schizophrenia
broadcasting (what they are thinking can be heard by others), thought withdrawal, voices arguing or commenting, somatic passivity (catatonia-if you raise their hand they will leave it there)
characteristic symptoms of schizophrenia (DSM V)
delusions (beliefs)
hallucinations
disorganizd speech (derailment, incoherence)
grossly disorgnized or catatonic behavior
negative symptoms (affect, alogia, avolition)
other symptoms of schizophrenia
social or occupational dysfxn
duration (continuous signs of disturbance persist for at least 6 months)
schizoaffective and mood disorder exclusion
substance/general medical condition exclusion
cognitive symptoms of schizophrenia
impaired abstract thinking
impaired problem solving
disturbed memory
theories of schizophrenia’s etiology
genetic predisposition anatomic changes (enlarge lateral ventricles, increased width of third ventricle, sulcal enlargement)
physiologic changes (dorsolateral prefrontal cortex poorly activated, thalamus and cerebellum may be involved)
biochemical factors (dopamine D2 receptors blocked by all antipsychotics)
negative symptoms of schizophrenia
social isolation withdrawal poor grooming anaergy loss of interest blunted affect
tx for schizophrenia
medication is primary tx
atypical antipsychotics preferred over old antipsychotics
psychosocial interventions (housing, case management w emphasis on med compliance and community involvement, supportive psychotherapy, job training)
prognosis of schizophrenia
exacerbations and remissions common
residual impairment when not active phase
positive symptoms less severe over time
neg symptoms more severe over time
long term prognosis for schizophrenics
20-30% lead somwhat normal lives
20-30% have moderate symptoms
40-60% significantly impaired