Clinical Pearls

To FAST or Not to FAST?

Lauren Templeton, DO HMDC FAAHPM

Dr. Barry Reisberg developed scales to correspond to his “retrogenesis” theory stipulating a degenerative reversal of normal human development in primary degenerative dementia.^1,2 In 1988, he published the Functional Assessment Staging Tool (FAST), a seven-stage, 16-level scale, for predictable linear deterioration in patients with Alzheimer-type dementia (AD) as a continuum from the 1982 Global Deterioration Scale.^1,3

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