heart attack

noun
Updated on: 6 Nov 2017

Definition of heart attack

: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 light-headedness, heartburn, nausea, excessive sweating, and extreme fatigue.
called also myocardial infarction

Examples of heart attack in a Sentence

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

  2. He died of a massive heart attack.

Recent Examples of heart attack from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'heart attack.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of heart attack

1836


HEART ATTACK Defined for English Language Learners

heart attack

noun

Definition of heart attack for English Language Learners

  • : a sudden painful and dangerous condition in which your heart stops beating properly


Medical Dictionary

heart attack

noun

medical Definition of heart attack

: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 LetterMay 1993
  • 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 AldhousScience7 Jan. 1994
called also acute myocardial infarction, myocardial infarction; compare angina pectoris, coronary insufficiency, heart failure 1


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