Although true reversible dementias represent less than 10% of those presenting with a dementia syndrome, a search for these processes is a necessary part of a dementia work-up. A complete blood count, chemistry profile, measurements of vitamin B12 and folate levels, rapid plasmin reagin test, thyroid function studies, and cranial imaging are recommended.2Although 50% of those with Parkinsons disease will eventually develop dementia, it is not reversible.
2. Small GW, Rabins PV, Barry PP, et al. Diagnosis and treatment of Alzheimer disease and related disorders. Consensus statement of the American Association of Geriatric Psychiatry, and Alzheimers Association, and the American Geriatrics Society. JAMA 1997;278:1363-71.
Click here to return to the questions