Delerium Flashcards
What is delirium?
A disturbance in attention, change in cognition
Is delirium acute or chronic?
Acute - comes on over short period
Causes of delirium?
Direct consequence of medical condition
Intoxicating substance
Medication use
Predisposing factors to delirium?
Advancing age Preexisting dementia Comorbidity Post operative period Terminal illness Sensory impairment Polypharmacy Depression Alcohol dependency Malnutrition
What are the main features of delirium ?
Acute and fluctuating
Inattention
Altered level of consciousness
Disorganised thinking
What are the subtypes of delirium?
Hyperactive
Hypoactive
Is hypo or hyperactive delirium more common?
Hypoactive
Features of hyperactive delirium?
Agitated
Aggressive
Wandering
Early to diagnose
Features of hypo active delirium?
Withdrawn
Apathetic
Sleepy
Coma
Easily missed
Higher mortality risk than with hyperactive
What test can be done in delirium?
4AT
What happens in 4AT?
Alertness
AMT4 - age, DOB, Place, year
Attention
Acute change or fluctuating course
What does each section of 4AT weigh?
Alertness - normal =0, clearly abnormal =4
AMT4 - age, DOB, place, year - no mistakes=0, 1 mistake =1, >2 mistakes =2
Attention -0-2
Acute change or fluctuation course - no=0, yes =4
Management of delirium?
Identify and reverse underlying causes
Symptoms control
Clinical review and follow up
Try not to use pharmacological measures
What pharmacological measures can be used in delirium?
Sedation only if risk to self and others
Haloperidol
benzodiazepines
Quetiapine