Schizophrenia Flashcards
neurotransmitter responsible for schizophrenia
dopamine (too much)
most likely time to be diagnosed with schizophrenia
early adulthood
what is schizophrenia
chronic relapsing condition of distorted thought, emotion, perception and behaviour
what are the 2 groups of symptoms in s
positive and negative
positive symptoms
delusions
hallucinations
thought disorder
negative symptoms
apathy lack of volition (will power) social withdrawal cognitive impairment catatonia loss of interest self-absorbed attitude
most common hallucination in schizophrenia
third person auditory - giving a running commentary
what are thought disorders
thought insertion throught broadcasting thought withdrawal knight's move thoughts neologisms
diagnostic criteria for schizophrenia
1 positive symptom or 2 negative symptoms
what are Schneider’s first rank symptoms
symptoms very suggestive of schizophrenia:
auditory hallucinations (running commentary)
thought disorder
somatic hallucinations
delusional perception
passivity phenomena
how long must symptoms last for
1 month continuously
6 months if on/off
differentials for psychosis
drug induced depressive mania with psychosis schizoaffective disorder delirium
common drug that can cause psychosis
cannabis
manifestation of manic psychosis
delusions of grandeur, special ability, persecution, religiosity
what is schizoaffective disorder
patient experiences symptoms of an affective disorder (depression or mania) and psychosis within days of each other
how to differentiate delirium from schizophrenia
elderly
triad of acute onset, inattention with fluctuating course, altered consciousness/disorganised thinking
if medication is required in delirium, what should be given
haloperidol
when should antipsychotic medication be commenced
at diagnosis of schizophrenia/psychosis
psychological interventions in schizophrenia
CBT
manage substance misuse
family therapy and support groups
what are the two groups of antipsychositcs
typical (older)
atypical (newer)
examples of typical antipsychotics
chlorpromazine
haloperidol
examples of atypical antipsychotics
olanzapine
risperidone
quetiapine
clozapine
what receptors do atypical antipsychotics work on
D2 antagonists and 5HT2A antagonists (more this)
what receptor do typical antipsychotics work on
D2 agonists