Quizzes
Quick Facts
- Related Topics:
- human cardiovascular system
- heart attack
- cardiac muscle
Adding us as a Preferred Source tells Google you trust our content, so our articles show up more often in your Google Search, Discover feed, and AI Overviews.
verifiedCite
While every effort has been made to follow citation style rules, there may be some discrepancies.
Please refer to the appropriate style manual or other sources if you have any questions.
Select Citation Style
myocardial infarction
Heart tissue damaged by myocardial infarction (heart attack); the tissue shows signs of a form of cell death known as contraction band necrosis (wavy, dark pink lines; micrograph, 400x).
myocardial infarction
pathology
myocardial infarction, death of a section of the heart muscle, caused by an interruption of blood flow to the area. See heart attack.
This article was most recently revised and updated by Amy Tikkanen.
Discover how ordinary objects work, and expand your understanding of the familiar.
" height="20" alt="HEW Logo">
By clicking "Sign Up", you consent to the Britannica Privacy Policy and Terms of Use.