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Myocardial infarction; Other names: Acute myocardial infarction (AMI), heart attack: 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 to the heart muscle.
While the patient is exercising, images of the heart in motion are generated. [34] Ischemia can be detected by visualizing abnormalities in the movement of the heart and the thickness of the heart wall during exercise. [34] Some people may be unable to exercise in order to achieve a sufficient heart rate for a useful test.
Coronary thrombosis is defined as the formation of a blood clot inside a blood vessel of the heart. This blood clot may then restrict blood flow within the heart, leading to heart tissue damage, or a myocardial infarction, also known as a heart attack.
Normal ear anatomy Earlobe creases seen in a Japanese angina patient. Frank's sign is a diagonal crease in the ear lobe extending from the tragus across the lobule to the rear edge of the auricle. [1]
Ritter's official cause of death was an undetected aortic dissection, when the body's main artery, aka the aorta, tears. However, doctors initially thought the actor was experiencing a heart attack.
The relatively narrow coronary arteries are commonly affected by atherosclerosis and can become blocked, causing angina or a heart attack. The coronary arteries are classified as "terminal circulation", since they represent the only source of blood supply to the myocardium; there is very little redundant blood supply, that is why blockage of ...
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The FBI has recently made public several photos from the investigation inside the Pentagon after the attacks of September 11, 2001. The images, posted to the FBI's records vault, give a new look ...