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The Coronary Artery Disease

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The Coronary Artery Disease
Coronary artery disease (CAD) is a progressive disease that causes narrowing or occlusion of the coronary arteries, causing a decreased blood supply to the myocardial layer of the heart, and prevents the arteries from dilating. As a result the tissue is deprived of oxygen necessary to thrive, which in turn can lead to myocardial ischemia, leading to several types of infarctions. Depending on the area of the ischemia, there can be several complications. For example, a ST segment elevation myocardial infarction (STEMI) occurs when there is a myocardial insufficiency caused by an occlusion that has completely cut off circulation in the coronary arteries. The damage transverses to the epicardium and further alters the heartbeat by changing the
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