Strokes

Stroke When a family member has a stroke, the family could also be highly affected. The person may have slurred speech, facial weakness, loss of bladder control, difficulty in breathing and swallowing, and paralysis or weakness, particularly on one side of the body. A stroke is also referred to as cerebral apoplexy and cerebrovascular accident (CVA). It is a cardiovascular disease that affects the blood vessels supplying blood to the brain. It is also called a brain attack. A stroke occurs when a blood vessel bringing oxygen and nutrients to the brain bursts or is clogged by a blood clot or some other particle. Part of the brain does not get the flow of blood it needs because of this rupture or blockage. Nerve cells in the affected area of the brain cannot function; the part of the body controlled by these cells cannot function either because they rely on them. Because dead brain cells cannot be replaced, the devastating effects of stroke are often permanent. There are four main types of stroke: two are caused by blood clots, and two are cause by hemorrhage. Cerebral thrombosis and cerebral embolism are by far the most common. Clots that plug an artery cause them. Cerebral and sub arachnoid hemorrhages are caused by ruptured blood vessels. They have a much higher fatality rate than strokes caused by clots. Cerebral thrombosis is the most common type of brain attack. It occurs when blood clot forms and blocks blood flows in an artery bringing blood to part of the brain. Blood clots usually form in arteries damaged by atherosclerosis. One identifying feature of cerebral thrombotic strokes is that they often occur at night or first things in the morning, when blood pressure is low. Another is that very often they are preceded by a transient ischemic attack, also called a mini stroke. Cerebral embolism occurs when a wandering clot or some other particle forms in a blood vessel away from the brain, usually i…

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