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;the patient sustained an anterior Myocardial infarction;myocardial infarction
:Myocardial infarction is necrosis of myocardial tissue which occurs as a result of a deprivation of blood supply, and thus oxygen, to the heart tissue. Blockage of blood supply to the myocardium is caused by occlusion of a coronary artery.
;the heart was enlarged--weighing 675 grams--especially the left atrium
;The heart weighed 530 grams
;The patient's heart weighed 410 grams
:A normal heart weighs 300 grams (range: 270 to 360 grams).
;Examination of the coronary arteries revealed marked atherosclerotic narrowing of all three vessels
:Atherosclerosis is the deposition of lipid into the intima of arteries, resulting in narrowing of the vessel lumen.