	Delirium	Depression	Dementia
Speed of onset	Acute/fast	Slow but can be triggered by life events	Slow
Signs and Symptoms	Inattention Hyperactive/hypoactive Worse at night and early morning Symptoms fluctuate Perception distorted have delusions and hallucinations Easily distracted Lethargic or hyper vigilant	Sadness Feeling blue Loss of interest and pleasure Lack of self care Decrease in appetite withdrawal	Memory loss Gradual impairment of ADL skills, communication, Change in behaviour Slow steady decline Often worse in the morning
Treatment	Treat the cause Provide environmental support Can resolve in hours to one month	Anti-depressants Cognitive therapy	Medication in early stages can slow progress in some people Irreversible no treatment
Prognosis	Good if treated early	Usually mood can be improved	Gradual worsening of condition until death

LLWD100

The diseases (part 1)