File:IPLab1MyocardialInfarction1.jpg

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IPLab1MyocardialInfarction1.jpg ‎(671 × 450 pixels, file size: 38 KB, MIME type: image/jpeg)

In this gross photograph of the heart from this case, note the area of fresh myocardial infarction (arrows) in the anterior portion of the left ventricle and extending into the anterior portion of the interventricular septum. Note that the walls of the left and right ventricle are slightly thicker than normal.

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.

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