Fainting

Alternative Names

Passed out; Light-headedness – fainting; Syncope; Vasovagal episode

Definition of Fainting

Fainting is a temporary loss of consciousness due to a drop in blood flow to the brain. The episode is brief (lasting less than a couple of minutes) and is followed by rapid and complete recovery. You may feel light-headed or dizzy before fainting.

Review

David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc. – 5/3/2009

ADAM Medical Encyclopedia

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