ANATOMY

Detailed explanation-1: -A heart attack is also called a myocardial infarction. Prompt treatment is needed for a heart attack to prevent death. Call 911 or emergency medical help if you think you might be having a heart attack.

Detailed explanation-2: -Acute myocardial infarction with rupture, gross. Acute myocardial infarction with rupture and tamponade, gross. Intermediate (healing) myocardial infarction (1-2 weeks), microscopic. Remote myocardial infarction (3 to 4 weeks), microscopic.

Detailed explanation-3: -A myocardial infarction occurs when an atherosclerotic plaque slowly builds up in the inner lining of a coronary artery and then suddenly ruptures, causing catastrophic thrombus formation, totally occluding the artery and preventing blood flow downstream.

Detailed explanation-4: -Overview. A heart attack (myocardial infarction) happens when one or more areas of the heart muscle don’t get enough oxygen. This happens when blood flow to the heart muscle is blocked.