Last reviewed: April 2018
Last updated: April  2018

Summary

Differentials

Common

  • Alzheimer's dementia
  • Vascular dementia
  • Dementia with Lewy bodies
  • Traumatic brain injury
  • Hypothyroidism
  • Hypoxic injury after cardiac arrest
  • Ischaemic stroke
  • Haemorrhagic stroke
  • Seizures
  • Migraine
  • Vitamin B12 deficiency
  • Mild cognitive impairment
  • Chronic traumatic encephalopathy

Uncommon

  • Frontotemporal dementia
  • Semantic dementia
  • Creutzfeldt-Jakob disease (CJD)
  • Progressive supranuclear palsy
  • Corticobasal syndrome
  • Normal pressure hydrocephalus
  • HIV dementia
  • Neurosyphilis
  • Limbic encephalopathy
  • Hashimoto's encephalopathy
  • Transient global amnesia
  • Wernicke-Korsakoff's syndrome

Contributors

Authors VIEW ALL

Professor of Psychiatry

Case Western Reserve University School of Medicine

Cleveland

OH

Disclosures

RT declares that he has no competing interests.

Dr Rajesh Tampi would like to gratefully acknowledge Dr Michael D. Geschwind, Dr Mee-Ohk Kim, Dr Michael H. Rosenbloom, Dr Steven Z. Chao, and Dr Julie N. Thai, previous contributors to this topic. MDG is an author of a number of references cited in this topic. He serves on the board of directors for San Francisco Bay Area Physicians for Social Responsibility, on the editorial board of Dementia & Neuropsychologia, and serves or has served as a consultant for Best Doctors, Inc; the Gerson Lehrman Group, Inc; Guidepoint Global, LLC; Biohaven Pharmaceuticals, Inc; Lewis Brisbois Bisgaard & Smith LLP; Lundbeck; MEDACorp; NeuroPhage Pharmaceuticals; and Quest Diagnostics. He receives research support from CurePSP, the Michael J. Homer Family Fund, the National Institute on Aging (R01 AGAG031189), Quest Diagnostics, and the Tau Consortium. He receives honorarium from various medical centers for lectures in the field of dementia. M-OK, MHR, SZC, and JNT declare that they have no competing interests.

Peer reviewers VIEW ALL

Consultant Psychiatrist and Visiting Professor

University of Hertfordshire

Hatfield

UK

Mental Health Unit

Lister Hospital

Stevenage

UK

Disclosures

OA declares that he has no competing interests.

Assistant Professor of Internal Medicine

Division of Geriatric Medicine

St Louis University

St Louis

MO

Disclosures

AB declares that he has no competing interests.

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