Dementia

 Delirium

 Depression

 Onset

 Gradual

 Acute

 Recent

 Reversibility

 Usually irreversible (95%) [1]

 Usually reversible (90%) [1]

 Reversible with treatment

 Alertness

 Usually constant

 Prominent fluctuations

 Usually constant

 Memory Loss

 Often unaware of memory loss

 Inattention is more common

 Often c/o memory loss

 Miscellaneous

 Normal/mildly slow EEG waves

 Patients with dementia at higher risk

 May be family hx of depression