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Conditions & Diseases: Brain & Nervous SystemStrokeSee Also:
Stroke Types There are three types of strokes: 1. Ischemic stroke is the most common type of stroke, and it accounts for 83 percent of all strokes. An ischemic stroke occurs when the blood vessel (usually an artery) supplying blood to a part of the brain is blocked by fatty deposits or a blood clot. An ischemic stroke can be
cause by: 2. Hemorrhagic
stroke is a less common type of stroke, and it
accounts for 17 percent of all strokes. A hemorrhagic
stroke occurs when a blood vessel in the brain ruptures
and the blood invades the surrounding areas. This type of
stroke can be caused by: There are two type of
hemorrhagic strokes: 3. Transient ischemic attack (TIA), also called mini-stroke, is a minor or warning stroke. It occurs when the blood supply to the brain is briefly interrupted. This stroke is similar with the ischemic stroke, but its symptoms tend to disappear within the next 24 hours. The obstruction (blood clot), that causes the transient ischemic attack, occurs for a short time and tends to resolve itself in time. A mini-stroke last for a few minutes up to a day and, in some cases, it can be accompanied by typical stroke signs. Even if the symptoms disappear in short time, a transient ischemic attack is a strong indicator of a possible major ischemic stroke. See Also:
Article by Alina Morrow, MA |
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Page Last Modified:
01/24/2008