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Symptoms of a Heart Attack. A heart attack, or myocardial infarction, occurs when blood flow to the heart is suddenly blocked. This medical emergency is often the result of coronary artery disease ...
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.
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.
Different kinds of heart problems, like a heart attack and cardiac arrest, can cause similar symptoms, like heart palpitations, dizziness, nausea, and chest pain. But these conditions aren’t the ...
Symptoms include chest pain or angina, shortness of breath, and fatigue. [6]A completely blocked coronary artery will cause a heart attack. [6] Common heart attack symptoms include chest pain or angina, pain or discomfort that spreads to the shoulder, arm, back, neck jaw, teeth or the upper belly, cold sweats, fatigue, heartburn, nausea, shortness of breath, or lightheadedness.
For example, Covid-19 is known to trigger myocarditis in some patients, and even people with a relatively mild case of Covid-19 can show signs of heart damage. Symptoms include chest pain or pain ...
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