Delirium Flashcards
Antihistamine H1 antagonist that has an anticholinergic effect that can induce delirium in the elderly (antidepressant/anxiety effects in younger) after crossing the blood-brain barrier
chlorphenamine
2 drugs used in delirium tremens
- chlordiazepoxide
- pabrinex
Three clinical abnormalities found in delirium
- thought
- perception
- levels of awareness
Once a px has delirium can they return to baseline function
- typically no
- can take weeks, months but never baseline
5 general causes of delirium
Acute infection Prescribed drugs Toxic substances (alcohol withdrawal) Vascular (infarction) Metabolic (electrolyte imbalances)
Most common general cause of delirium (give an example)
Prescribed drugs (benzodiazepines)
3 typical symptoms of delirium
Memory defects
Agitation
Consciousness clouded/impaired
2 subtypes of delirium
Hypoactive
Hyperactive
2 symptoms of hypoactive delirium. This can be misdiagnosed as
Quiet + apathy
Depression
2 symptoms of hyperactive delirium. This can be misdiagnosed as
Agitation + delusions
Schizophrenia
General Mx delirium
Remove cause (infection/drugs)
4 most common misdiagnosis of delirium
Depression
Bipolar
Schizophrenia
Dementia