heart attack

noun

: an acute episode of coronary heart disease marked by the death or damage of heart muscle due to insufficient blood supply to the heart usually as a result of a coronary artery becoming blocked by a blood clot formed in response to a ruptured or torn fatty arterial deposit

Note: Symptoms of heart attack include discomfort or pain in the chest, shoulder, arm, back, neck, or jaw, shortness of breath, dizziness or lightheadedness, heartburn, nausea, excessive sweating, and extreme fatigue.

called also myocardial infarction

Examples of heart attack in a Sentence

Her chest pains turned out to be caused by a minor heart attack.

He died of a massive heart attack.

Recent Examples on the Web

Although studies have not yet confirmed that these drugs prevent strokes, they have been shown to reduce heart attack risk, suggesting potential stroke prevention benefits, according to Anirudh Sreekrishnan, MD, director of the Outpatient Stroke Clinic at the University of California San Francisco. —Fran Kritz, Verywell Health, 1 Nov. 2024

The agencies wrote that cardiovascular experts found the risk of strokes and heart attacks was lower in people who were vaccinated against COVID-19, not higher. —Jonathan Karl, ABC News, 1 Nov. 2024

With heart attacks, for example, the most common symptom is chest pain for men and women—but women may be more likely to experience other symptoms, such as shortness of breath, nausea or vomiting, or jaw pain. —Stacey Colino, TIME, 1 Nov. 2024

For Braxton, the loss was especially profound—and compounded by her own health battles, including her ongoing fight with lupus and the recent placement of a stent in her heart to prevent a potentially fatal heart attack. —Shelby Stewart, Essence, 29 Oct. 2024

Word History

First Known Use

1836, in the meaning defined above

Kids Definition

heart attack

noun

: a sudden severe occurrence of damage to heart muscle caused by too little blood going to the heart usually as a result of the blocking of a coronary artery (as by a bit of fatty matter)

Medical Definition

heart attack

noun

: an acute episode of coronary heart disease marked by the death or damage of heart muscle due to insufficient blood supply to the heart muscle usually as a result of a coronary artery becoming blocked by a blood clot formed in response to a ruptured or torn fatty arterial deposit

Note: Symptoms of heart attack include discomfort or pain in the chest, shoulder, arm, back, neck, or jaw, shortness of breath, dizziness or light-headedness, heartburn, nausea, excessive sweating, and extreme fatigue.

When a patient is in the throes of a heart attack, the physician's goal is restoring adequate blood flow to the starving heart muscle as swiftly as possible.

—Harvard Medical School Health Letter

It has long been known that aspirin helps prevent blood clots … and many studies have shown that the drug can reduce the incidence of heart attacks and strokes.

—Peter Aldhous, Science

called also acute myocardial infarction, myocardial infarction

compare angina pectoris, coronary insufficiency, heart failure sense 1