Abstract
To the Editor: The dementia of Alzheimer's disease incapacitates many elderly people in the United States. The diagnosis can usually be verified on autopsy by characteristic neuropathologic changes. However, this and other conditions with similar behavioral manifestations are hard to distinguish in the living patient, because valid diagnostic laboratory markers have not yet been established.1 We report preliminary evidence, based on an open study of a small sample, that sodium–lithium countertransport is elevated in erythrocytes of patients with Alzheimer's disease. Our sample consisted of elderly white women: four patients with a preliminary clinical diagnosis of Alzheimer's dementia on the basis . . .

This publication has 9 references indexed in Scilit: