First Aid Flashcards
(145 cards)
psychosis
distorted perception of reality
delusions
fixed, false beliefs despite evidence to the contrary
nonbizzare vs bizarrre
one is believable, other is not
delusions of persecution/paranoia
“CIA is after me” - one is being persecuted
delusion of ideas of reference
belief that external enviornmental are related to individual -TV is talking to me
delusion of control
thoughts can be heard of or by others
delusions of grandeur
super powers
delusions of guilt
guilty for something
somatic delusions
infected with a disease
illusion
misinterpretation of sensory stimulus (mistake show for a cat)
associations of hallucinations
auditory = schizophrenia visual = drug, alcohol withdrawal, delirium olfactory = aura for epilepsy tactile = withdrawal
delusion vs illusions vs hallucination
delusion = false belief illusion = misinterpretation of external stimulus hallucination = perception in absence of stimulus
criteria for psychosis due to medical condition
- prominent hallucinations/delusions
- symptoms do not occur only during delirium
- evidence of another cause
most common cause of psychosis in elderly
delirium
positive symptoms of schizophrenia
- hallucinations
- deulsions,
- bizarre behavior
- disorganized speech
- responds to meds
negative symptoms of schizophrenia
- flat or blunted affect, anhedonia, apathy, alogia and lack of interest
- treatment resistent
phases of schizophrenia
- prodromal - decline in funcitoning
- psychotic
- residual
criteria for schizophrenia
- delusions
- hallucinations
- disorganized speech
- disorganised or catatonic behavior
- negative symptoms
- problem with functioning for at least 6 months
echolia
repeated words or pharases
echopraxia
mimic behavior
findings in schizo exam
- disheveled, flat affect, disorganized thought
- intact memory and orientation
- auditory hallucinations
- paranoid delusions
- ideas of reference
- lack on insight
downward drift hypothesis
unable to function in society, end up in lower classes
neurotransmitter in schizo
dopamine
Less so:
high serotonin, high norepi, low GABA, low glutamate
pathways in schizo
- prefrontal
- mesolimbic = positive symptoms
- tuberoinfundibular - affected with antipsychotics
- nigrostriatal = EPS symtpoms