Dementia

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Resident
Survival
Guide

Dementia Microchapters

Patient Information

Overview

Classification

Causes

Differential Diagnosis

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Fahimeh Shojaei, M.D.

Synonyms and keywords: dementia

Overview

Dementia

Classification

Dementia may be classified according to [classification method] into [number] subtypes

Causes

Differential Diagnosis

Cause of dementia Clinical features Associated features Nature of progression Histopathological findings
Cognitive impairment
Recall Recollection Cue requirement for recall Infirngement of thoughts Semantic memory Procedural memory Working memory Awareness Attention Executive functioning issues Visuo-spatial skills
Alzheimer's disease +++

(Slow cognitive and functional decline with early loss of awareness)

+++ Not helpful +++ ++ - ++ +++ ++ ++ ++ Has the following clinical stages:
Lewy body dementia ++ - Helpful +++ + + +++ + +++ +++ +++
Frontotemporal lobar degeneration +/- - Helpful +++ + - +++ +++ ++ +++ -
  • Onset in young age
Vascular dementia + (Dysexecutive syndrome) - Helpful + + + ++ - ++ +++ +
Normal pressure hydrocephalus
Parkinson's disease
Binswanger's disease
Thiamine deficiency
Marijuana abuse
AIDS
Neurosyphilis
Vitamin B12 deficiency
Vitamin B6 deficiency

References