Psychosis Flashcards
Which illnesses may psychosis occur within?
depression bipolar disorder peurperal psychosis drug abuse alcohol abuse neurolocal illness medications
how many patients present with psychosis between the ages of 16 and 30
80%
which sex is more likely to present at an older age?
females
Which ethnicities have a higher incidence?
afro-caribbean and minority ethnic groups
What are the psychotic symptoms?
hallucinations delusions overvalued ideas thought disorder expression passivity catatonia stupor psychomotor retardation flight of ideas pressure of speech incongruity or blunting of affect
what types of hallucinations may be experienced?
o Hypnopompic
o Hypnogogic
o Reflex hallucination e.g. when you write, I can hear your pen pressing on my heart
o Extracampine
o Auditory 2nd persons, 3rd person, running commentary,
What are delusions?
o False, unshakeable idea or belief which is out of keeping with the patient’s educational, cultural and social background. It is held with extraordinary conviction and subjective certainty. A phenomenon outside normal experience
What is an overvalued idea?
o A false or exaggerated belief sustained beyond logic or reason but with less rigidity than a delusion and often being less patently unbelievable
What are the types of thought disorder?
o Thought alienation Thought insertion Thought withdrawal Thought broadcast Thought echo Thought block
What are the types of behaviour and thinking seen in psychosis and what do they mean?
o Concrete thinking - lack of abstract thinking, occurs in adults with organic brain disease or schizophrenia (is normal in children!!)
o Loosening of association - there is a lack of logical association between succeeding thoughts, gives rise to incoherent speech. Impossible to follow a patient’s train of thought
o Circumstantiality - irrelevant wandering in conversation, talking at great length around the point until eventually getting to the point.
o Perseveration - repetition of a word, theme, phrase or action beyond the point at which it was relevant or appropriate.
o Confabulation - giving false account to fill a gap in memory
What are the types of passivity in psychosis and what do they mean?
o Somatic passivity delusional belief that one is passive recipient of bodily sensations from an external agency
o Made/act/feeling/drive object in question is experience or carried out by the person but is considered as alien or imposed.
o Clouding of consciousness lowered level of consciousness marked by loss of perception or comprehension of the environment, with loss of abiity to respond properly to external stimuli
What is catatonia?
o State of excited or inhibited motor activity in absence of mood disorder or neurological disease, includes a number of other terms: Waxy flexibility Echolalia Echopraxia Logoclonia Negativism Palilalia Verbigeration
What is stupor?
o More or less complete loss of activity with no response to stimuli, may mark progression of motor retardation
What is the management of psychosis?
- Admission to a psychiatric unit is often required at the outset (may need detention under MHA)
- Rapid tranquilisation if very risky and very distressed
What does NICE recommend for the treatment of catatonia?
Electroconvulsive therapy (ECT)