neurocognitive II: delirium Flashcards
exam 2
delirium is commonly seen on
inpatient medical/surgical units and in extended care facilities
delirium duration
last days to weeks
delirium is associated with poor outcomes
- increased mortality
- institutionalization
- dementia
delirium is a disturbance in ____ and ____
attention and awareness
delirium clinical features
- acute onset
- fluctuating course “waxing and waning” lucid intervals
- inattention
psychomotor distubances in delirium
- hyperactive
- hypoactive
- mixed
hypoactive signs
harder to identify
- marked by lethargy
delirium can be cause by medications but especially
anticholinergics
anticholinergic syndrome
inhibition of Ach transmission in the parasympathetic nervous system (muscarininc)
subdural hematoma can present as a quiet _____ delirium
hypoactive
pathophysiology of delirium
- Nt deficiency/ excess
- neuroinflammatory events
Nt in delirium
- decrease in Ach
- decrease in GABA
- increase in Glutamate
- increase in dopamine
eeg in delirium
diffuse slowing
delitium tremens
alcohol withdrawing
- low voltage fast activity waves
hepatic encephalopathy
build up of ammonia
- triphasic waves s