heart attack
noun
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
Alyce Collins, MSNBC Newsweek, 20 Sep. 2025
Elvis died of a heart attack in 1977.
—Charna Flam, PEOPLE, 20 Sep. 2025
After Hurricane Sandy, a study in the published in the Journal of the American Heart Association found that after two weeks, there were more strokes, heart attacks, and deaths compared to the same period in the previous five years.
—Marshall Shepherd, Forbes.com, 19 Sep. 2025
More than half of heart attacks in women 65 and under stem from hidden causes, a new study finds.
—Alexa Mikhail, Flow Space, 18 Sep. 2025
See All Example Sentences for heart attack
Cite this Entry
“Heart attack.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/heart%20attack. Accessed 24 Sep. 2025.
Copy CitationMedical Definition
heart attack
nounNote: 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.
Harvard Medical School Health LetterPeter Aldhous, Sciencecalled also acute myocardial infarction, myocardial infarction
compare angina pectoris, coronary insufficiency, heart failure sense 1
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