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Feb 15, 2024 · A heart attack (myocardial infarction) is an extremely dangerous condition that happens because you don’t have enough blood flow to some of your heart muscle. This lack of blood flow can occur because of many different factors but is usually related to a blockage in one or more of your heart’s arteries .
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]
Nov 3, 2021 · Symptoms. Causes. Risk factors. Diagnosis. Treatments. Outlook. Prevention. Acute myocardial infarction (heart attack) requires immediate medical attention. Symptoms may include tightness or...
Aug 8, 2023 · HHS. USA.gov. Myocardial infarction (MI), colloquially known as “heart attack,” is caused by decreased or complete cessation of blood flow to a portion of the myocardium. Myocardial infarction may be “silent” and go undetected, or it could be a catastrophic event leading to hemodynamic deterioration and sudden death. [1]
What is a Heart Attack? A heart attack is scary. If you’ve had one, or are close to someone who has, you’re not alone. Many people survive a heart attack and go on to enjoy productive lives. Learn more about heart attacks. Warning Signs of a Heart Attack. Heart Attack Treatment. Life After a Heart Attack.
Acute myocardial infarction is myocardial necrosis resulting from acute obstruction of a coronary artery. Symptoms include chest discomfort with or without dyspnea, nausea, and/or diaphoresis. Diagnosis is by electrocardiography (ECG) and the presence or absence of biomarkers.
A heart attack, also termed myocardial infarction (MI), is death of heart tissue due to ischemia. A blood clot is the most common cause of a blocked coronary artery (see also Overview of Coronary Artery Disease). Usually, the artery is already partially narrowed by a buildup of cholesterol and other fatty materials in the artery wall (atheroma).
