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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.
The symptoms might also come and go before you actually have a full-on heart attack. Cardiac arrest happens when the heart’s electrical system malfunctions and the heart’s pumping stops.
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.
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.
"Shortness of breath is a commonly missed early symptom of a heart attack, and it can occur with or without chest discomfort," she explains. Dr. Max Brock, MD, a cardiologist at Cook, echoes this.
She adds that silent heart attacks may increase the risk of heart failure and stroke, so it’s important to seek immediate medical care if you believe you may have had a silent heart attack.
An urgent medical assessment is suggested to rule out serious medical conditions. [5] There is a relationship between severity of angina and degree of oxygen deprivation in the heart muscle. However, the severity of angina does not always match the degree of oxygen deprivation to the heart or the risk of a heart attack (myocardial infarction ...
Cardiovascular disease (CVD) is any disease involving the heart or blood vessels. [3] CVDs constitute a class of diseases that includes: coronary artery diseases (e.g. angina, heart attack), heart failure, hypertensive heart disease, rheumatic heart disease, cardiomyopathy, arrhythmia, congenital heart disease, valvular heart disease, carditis, aortic aneurysms, peripheral artery disease ...
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