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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.
A heart attack (also known as a myocardial infarction) occurs when the flow of blood to an area of the heart is blocked, often because of a buildup of substances like fat or cholesterol.
Often, heart attack symptoms are immediate and intense, and other times they develop gradually. The longer you wait to get treatment for a heart attack, the greater the damage to your heart muscle.
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.
Symptoms of coronary thrombosis are not always evident at the start. Symptoms include chest pain, shortness of breath, and discomfort in the upper body. A coronary thrombosis is a medical emergency (life threatening) and requires urgent care at a hospital.
A cardiac arrest is when a person's heart stops pumping blood around their body and they stop breathing normally. Calling before a heart attack becomes cardiac arrest requires knowing the signs ...
Other Commonly-Missed Heart Attack Symptoms. Dr. Brock says you should also watch out for chest pressure, even if it isn't accompanied by pain. "As many people are aware, chest discomfort is the ...
In stable angina, symptoms occur with exercise or emotional stress, last less than a few minutes, and improve with rest. [4] Shortness of breath may also occur and sometimes no symptoms are present. [4] In many cases, the first sign is a heart attack. [5] Other complications include heart failure or an abnormal heartbeat. [5]
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