Stroke picture
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: 10/11/2005
Reviewed By: J. Gordon Lambert, MD, Associate Medical Director; G. Eric Morgan, MS3; RxRemedy