JACOPIN / BSIP / SCIENCE PHOTO LIBRARY JACOPIN / BSIP / SCIENCE PHOTO LIBRARY
Illustration of the causes of a myocardial infarction, necrosis of part of the secondary heart muscle through an oxygenation flaw (ischemia). The infarction occurs when one of more coronary arteries become blocked, the heart muscle cells that are irrigated by these arteries are no longer oxygenated, which can lead to their death. The infarct area will no longer contract properly.
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