Heart attack (or acute myocardial infarction) it occurs when one of the coronary arteries, which supply blood to the heart muscle, becomes blocked. A “plug” (atherosclerotic plaque) forms in one of the coronary arteries and blocks the flow of blood: if the occlusion lasts long enough, the portion of the heart downstream of the artery remains without oxygen and undergoes necrosis, i.e. its cells die.
18 March 2023 | 2:57 pm
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