JACOPIN / BSIP / SCIENCE PHOTO LIBRARY JACOPIN / BSIP / SCIENCE PHOTO LIBRARY
Illustration of a cerebrovascular accident (CVA) caused by ischemia. Ischemic accidents are due to the occlusion of a cerebral artery, or one leading to the brain (internal or vertebral carotids). The brain is therefore partially deprived of oxygen and glucose. This occlusion leads to a cerebral infarction. This occlusion is mainly caused by an obstructive atheroma or a clot (formed locally or by embolism).
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