Stroke

A stroke involves loss of brain functions caused by a loss of blood circulation to areas of the brain. The blockage usually occurs when a clot or piece of atherosclerotic plaque breaks away from another area of the body and lodges within the vasculature of the brain.
Review Date: 07/29/2009
Reviewed By: David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc., and David
C. Dugdale, III, MD, Professor of Medicine, Division of General
Medicine, Department of Medicine, University of Washington School
of Medicine. Previously reviewed by Daniel B. Hoch, PhD, MD,
Assistant Professor of Neurology, Harvard Medical School,
Department of Neurology, Massachusetts General Hospital.













