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Myocardial infarction (MI) refers to tissue death (infarction) of the heart muscle (myocardium) caused by ischemia, the lack of oxygen delivery to myocardial tissue. It is a type of acute coronary syndrome, which describes a sudden or short-term change in symptoms related to blood flow to the heart.[22]
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, thromboembolic disease, and venous ...
Oct 9, 2023 · During a heart attack, a lack of blood flow causes the tissue in the heart muscle to die. 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.
A myocardial infarction, also and commonly called a heart attack, happens when a blood vessel in the heart suddenly becomes blocked. Blood vessels carry blood and oxygen . When a blood vessel in the heart gets blocked, blood cannot get to part of the heart .
Dec 2, 2022 · Cardiac ischemia is decreased blood flow and oxygen to the heart muscle. When damage or death to part of the heart muscle occurs due to ischemia, it’s called a heart attack, or myocardial infarction (MI). About every 40 seconds, someone in the United States has a heart attack.
The thin covering of an atherosclerotic plaque can rupture, exposing the fatty centre to the circulating blood. In this case a clot or thrombus can form, blocking the artery, and restricting blood flow to an area of heart muscle causing a myocardial infarction (a heart attack) or unstable angina. [58]
Feb 9, 2024 · A heart attack occurs when there is a loss of blood supply to part of the heart muscle, often due to a blockage in a nearby artery. Symptoms include pain in the chest that may spread. It is a...
May 15, 2024 · A heart attack, also called a myocardial infarction, happens when a part of the heart muscle doesn't get enough blood. The more time that passes without treatment to restore blood flow, the greater the damage to the heart muscle. Coronary artery disease (CAD) is the main cause of heart attack.
Oct 9, 2023 · A heart attack usually is diagnosed in an emergency setting. However, if you're concerned about your risk of a heart attack, talk to your care provider. A cardiovascular risk assessment can be done to determine your level of risk. You may be referred to a doctor trained in heart diseases (cardiologist).
Dec 21, 2023 · A heart attack, also called myocardial infarction (MI), occurs when blood flow to the heart is suddenly interrupted. This can lead to damage to the heart muscle. Treatment is the only way to avoid irreversible damage from a heart attack. This article covers heart attack causes, triggers, warning signs, and prevention.
