brain

Cerebrovascular accident is a very common brain pathology. CVA also known as a stroke is the sudden death of some brain cells due to the lack of oxygen when the blood flow to the brain is impaired by blockage or rupture of an artery to the brain.

There can be several things that can happen to cause a CVA. For example, an artery to the brain my be blocked by a thrombosis(blood clot). This clot or even a piece of plaque can break loose and travel to the brain by way of the circulation system and lodge in an artery in the brain, sort of acting as a plug by blocking or stopping blood flow. A cerebral hemmorage or bleeding in the brain, from an aneurysm for example, can also cause a stroke.