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Just as strokes have many effects, they also have many causes. Learn the various types of stroke.

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Occurs when a blood vessel supplying blood to the brain is obstructed. It accounts for 87 percent of all strokes.

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Occurs when a weakened blood vessel ruptures. The two types of weakened blood vessels that usually cause hemorrhagic stroke are aneurysms and arteriovenous malformations (AVMs). The most common cause of hemorrhagic stroke is uncontrolled high blood pressure.

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Called a “mini stroke,” it’s caused by a serious temporary clot. This is a warning stroke and should be taken seriously.

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In most cases, a stroke is caused by a blood clot that blocks the flow of blood to the brain. In some instances, despite testing, the cause of a stroke cannot be determined. A stroke of unknown cause is called a “cryptogenic stroke.” 

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When stroke occurs in the brain stem, it can affect both sides of the body and may leave someone in a ‘locked-in’ state. When a locked-in state occurs, the patient is generally unable to speak or move below the neck. 

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You may not see the risk of another heart attack or ischemic stroke, but you can reduce the chances of having another one. Talk to your doctor about a prevention plan which may include medications, such as aspirin, and other small steps that may have a big impact.