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Heart attacks essays Heart Attacks A heart attack is also known as Myocardial Infarction (M.I.). A heart attack occurs when the blood supply to a portion of the heart muscle is severely reduced or stopped. This happens when one of the arteries that supply blood to the heart muscle is blocked by an obstruction. This blockage can be due to a condition classification essay about study habits atherosclerosis (a build up of fatty like substance along the wall of the artery), a blood clot or a coronary vessel spasm along with a total obstruction. If the blood supply to a portion of the heart stops, that area of the heart will no longer receive the oxygen or nutrients needed to carry out its function and will die. If it is a very small part of the heart involved, it will be able to work without it. If a large portion is damaged, irreversible damage will happen which can lead to death. Damage to online article writing jobs for students The University of Westminster heart muscle may be so severe that it may cause abnormal heart rhythm. Most people who are of a myocardial infraction or a heart attack do so within a few hours due to this type of heart rhythm. The heart attack victim classification essay about study habits complain of pressure, discomfort or a squeezing sensation in the center of courseworks columbia edu associates womens chest. There may be pain radiating to the arms or the neck. There may also be shortness of breath, weakness, fatigue, nausea, vomiting and or indigestion. The pain that occurs is the result of heart tissue schema (decreased blood supply). The area that is not receiving enough blood is literally crying out for help. When a person complains of any of the symptoms mentioned, they should be transported to the nearest hospital. The diagnosis of an M.I. is made classification essay about study habits the Writing papers tips in collegeinternational history, from special tests on E.C.G. and measurement of certain enzymes released into the bloodstream from damaged heart muscle. Once an M.I. has occurred and a portion of the heart muscle has died, something has to be done to prevent a piece of the obstruction from breaking off and blocking another artery somewhere else.