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How does a carotid artery increase the risk of getting a stroke?

April 26, 2017Artery Carotid increase risk stroke

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How does a carotid artery increase the risk of getting a stroke?

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Up to 90% of ischemic strokes originate from the carotid arteries. Blood clots form on plaque surface and break off. Large plaques hemorrhage, clot, and the clot travels to brain. Plaque contents break off and go to brain. This may occur secondary to reduced blood flow to brain caused by a narrow artery.