What is a Myocardial Infarction?
Myocardial infarction (MI) means that component of the heart muscle suddenly loses its blood supply. Without immediate treatment, this can lead to damage to the affected component of the heart. An MI is usually referred to as a heart attack or a coronary thrombosis.
The heart pumps blood into arteries (blood vessels) which take the blood to each and every portion of the body. The heart muscle, like all muscles, constantly requirements a superb blood supply. The coronary arteries take blood to the heart muscle. The main coronary arteries branch off from the aorta. (The aorta. is the massive artery that takes oxygen-rich blood from the heart chambers to the body.) The major coronary arteries divide into smaller branches then take blood to all parts of the heart muscle.
If an individual has an MI, a coronary artery, or one of its smaller branches is suddenly blocked. The part of the heart muscle supplied by this artery loses its oxygen and blood supply. This component of the heart muscle is at risk of dying, unless the blockage is speedily undone. The word ‘infarction’ means death of some tissue as a result of a blocked artery which stops blood from finding past.
If among the key coronary arteries is blocked, a huge component of the heart muscle is affected. If a smaller branch artery is blocked, a smaller quantity of heart muscle is affected. In men and women who survive an MI, the component of the heart muscle that dies (‘infarcts’) is replaced by scar tissue over the next few weeks.
A small MI occasionally happens without having causing pain (a ‘silent MI’). It may be pain-free, or at times the discomfort is mild and you might believe it truly is only heartburn or ‘wind’. Collapse and sudden death might occur having a huge or severe MI.
MI’s are simpler to diagnose today because of the improve in technologies advances. They could turn out to be avoidable by means of greater education and healthier choices in lifestyle
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