Carotid artery stenosis

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Carotid arterial stenosis is a narrowing of the lumen of the carotid artery, usually by atheroma (a fatty lump or plaque causing atherosclerosis). Atheroma's may cause transient ischemic attacks (TIAs) and cerebrovascular accidents (CVAs) as it obstructs the bloodstream to the brain. It also has the potential to generate emboli (blood clots) that obstruct the cerebral arteries.

If asymptomatic (causing no medical problems), carotid stenosis is generally monitored. If it leads to problems, carotid endarterectomy (surgical removal of the atheroma) may be performed.

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