Dementia vs. delirium

by Cathy Parkes April 23, 2021 Updated: December 29, 2021

Dementia has slow onset, does NOT alter vital signs, and is irreversible. Delirium has rapid onset, can alter vital signs and level of consciousness, and is reversible.

Dementia vs delirium:

Dementia has slow onset, does NOT alter vital signs, and is irreversible.

Delirium has rapid onset, can alter vital signs and level of consciousness, and is reversible.



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