Psychosis Tutorial Flashcards
What is psychosis?
difficulty perceiving and interpreting reality.
It is a clinical syndrome of an underlying disorder
What psychotic disorders can cause psychosis?
- Schnizophrenia
- Bipolar
- Schizoaffective disorder
- Substance related
- Delusional disorder
- Medical condition
- Depression with psychotic features
What positive sypmtoms are there?
Hallucinations
- Percepts in absence of a stimulus
Delusions
- Fixed, false beliefs ( out of their normal culture/social background )
What negative symptoms are there? ( four As )
- Alogia: poverty of speech
- Avolition/apathy : poor self care and motivation lack
- Affective flattening : unchanging mood and expressions + vocal intonations
- Anhedonia/Asociality : few close friends, hobbies
What disorganised symptoms are there?
- Bizarre Behaviour : Bizarre social behaviour Bizarre clothing/appearance Aggression/agitation Repetitive/sterotyped behaviours
- Thought disorder Derailment Circumstantial speech Pressured speech Distractibility Incoherent/illogical speech
Describe the epidemiology of psychosis?
- can occur at any age altho more common in early 20s ( due to life events at this time )
- often chronic and episodic, very variable
- morbidity: Substantial, both from disorder itself and increased risk of common health problems e.g. heart disease
Significant impact on education, employment and functioning - Mortality:
Substantial
All-cause mortality 2.5x higher, ~15 years life expectancy lost
High risk of suicide in schizophrenia – 28% of excess mortality
What is included in psychiatric history?
- History of Presenting Concern
- Past Psychiatric History
- Background History (Family, Personal, Social)
- Past Medical History and Medicines
- Corroborative History
Describe history of presenting concern?
The patient’s description of the presenting problem – nature, severity, onset, course, worsening factors, treatment received
Circumstances leading to arrival to hospital
- why did they come in now
Describe past psychiatric history?
- Any known diagnosis?
- Any treatment?
- Known to a community team?
- Any previous admissions to hospital?
Describe family history?
- Age of parents, siblings, relationship with them
- Atmosphere at home
Mental disorder in the family, abuse, alcohol/drugs misuse, suicide - heritablity of mental disorders
Describe the personal history?
- Mother’s pregnancy and birth
- Early development, separation, childhood illness
- Educational and occupational history
- Intimate relationships
Describe the social history?
- Living arrangements
- Financial issues
- Alcohol and illicit drug use
- Forensic history
Describe why need to take a medical history and medicine history
Medical problems = a cause or consequence of
mental disorder or psychiatric treatment
any regular medications and complience with it
- over the counter?
- Interactions
Describe the corrobative history?
Informants: relatives, friends, authority
Confidentiality
- need for consent
What is checked in the mental state examination?
- Appearance and Behaviour
- Speech
- Mood
- Thoughts
- Perceptions
- Cognition
- Insight