ACS is caused by a narrowing of the coronary arteries. These blood vessels carry blood to the heart muscle. The blood flow to the heart muscle is either greatly reduced or completely blocked. This leads to heart muscle damage or death.
Blood clots can sometimes cause the narrowing of the arteries. The narrowing most often happens from years of plaque build-up in an artery. This is called atherosclerosis .
Coronary Artery
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