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In 2021, the American Heart Association clarified that "heart attack" is often mistakenly used to describe cardiac arrest. While a heart attack refers to death of heart muscle tissue as a result of blood supply loss, cardiac arrest is caused when the heart's electrical system malfunctions. Furthermore, the American Heart Association explains ...
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.
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The young adult heart attack rate has risen by 2/3rds in 4 years. In 2019, only 0.3% of U.S. adults between ages 18 and 44 had suffered a heart attack, ...
Coronary Artery Disease. Coronary artery disease, or coronary heart disease, is the most common type of heart disease. It occurs when fatty deposits called plaques build up in your arteries ...
Nearly 90% of adults over age 20 in the United States are at risk of developing heart ... such as increased risk of heart attack, heart failure and stroke, Aggarwal said. ... to reduce the rates ...
Worsening angina attacks, sudden-onset angina at rest, and angina lasting more than 15 minutes are symptoms of unstable angina (usually grouped with similar conditions as the acute coronary syndrome). As these may precede a heart attack, they require urgent medical attention and are, in general, treated similarly to heart attacks. [8]
A heart rate that is too fast – above 100 beats per minute in adults – is called tachycardia. A heart rate that is too slow – below 60 beats per minute – is called bradycardia. [43] Many types of arrhythmia present no symptoms. When symptoms are present, they may include palpitations, or feeling a pause between heartbeats.