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: 6/24/2011
Reviewed By: Reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

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