500
How do you differentiate: AD, Vascular Dementia, LBD, FTD?
AD: short term memory loss, FHx, early amnesia and aphasia, cues don't help, limited insight; Vascular dementia: evidence (RFs/pmhx/imaging), neuro deficits, early agnosia/apraxia, cues help, step-wise decline; LBD: like delirium, hallucinations, early visuospatial deficits and executive dysfunction, parkinsonism features; FTD: younger patients (45-65), behavioural vs language