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Hemorrhagic Stroke
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A hemorrhagic stroke occurs when a blood vessel in the brain leaks or ruptures, resulting in bleeding into the brain. Parts of the brain affected by the bleeding can become damaged, and if enough blood accumulates, it can put pressure on the brain. The amount of hemorrhage (bleeding) determines the severity of the stroke. The other main type of stroke is caused by blockage in the blood vessels supplying blood to the brain and is called an ischemic stroke. The term ischemia means inadequate blood flow, and stroke refers to the sudden onset of the symptoms. The October 20, 2004, issue of JAMA includes an article about detecting hemorrhagic strokes.
CAUSES OF HEMORRHAGIC STROKES
- Hypertension (high blood pressure) is a major risk factor for hemorrhagic strokes.
- In older persons, cerebral amyloid angiopathy (a condition that weakens blood vessels in the brain) can lead to hemorrhagic strokes.
- Aneurysms (tiny blood-filled pouches that balloon out . . . [Full Text of this Article]
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FULL TEXT
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JAMA. 2004;292:1823-1830.
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