Organic disorders Flashcards
ICD-10 definition?
mental disorders due to common, demonstrable aetiology in cerebral disease or other insult leading to cerebral dysfunction
1y OD?
direct effect on brain
2y OD?
systemic disease which affects brain as well as other organs
when is medication used?
acute situations
give 3 examples of acute OD?
delirium, organic mood disorder, organic psychotic disorder
give 3 examples of chronic OD?
dementia, amnesic syndrome, organic personality changes
delirium tremens - presentation?
complication of alcohol withdrawal, fluctuating confusion, disorientation in time and place, memory impairment
delirium tremens - treatment?
benzodiazepines
describe presentation of Wernicke’s encephalopathy?
acute confusion, ataxia, ophthalmoplegia, nystagmus
what is associated with Wernicke’s?
acute deficiency of thiamine (B1)
what happens if wernicke’s is left untreated for about 2 weeks?
progresses into Korsakoff Psychosis
treatment for Wernicke’s encephalopathy?
oral thiamine for 3-7 days
Korsakoff’s psychosis - AKA?
alcohol amnesic syndrome
Korsakoff’s psychosis - presentation?
impairment of anterograde memory - i.e. ability to learn new info
Korsakoff’s psychosis - name 3 associated sx?
personality changes, apathy, loss of initiative