Myocardial infarction A heart attack is the layman's term for a (MI) myocardial infarction. It is caused by a lack of blood supply to the heart muscle. A blood clot or plaque, may obstruct the flow of blood. This typically occurs in the patient with CAD ( coronary artery disease) . Symptoms include: chest pain which may radiate to the shoulder and jaw, pressure or tightness in the chest, anxiety, nausea, vomiting and shortness of breath. Cardiogenic shock The left ventricle receives its blood supply from the LAD ( left anterior descending) artery. If the flow of blood to the left ventricle is obstructed by a clot or plaque, part of the heart muscle may die. This lack of blood flow to the left ventricle causes pump ...
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