What Causes a Heart Attack?
A heart attack happens if the flow of oxygen-rich blood to a section of heart muscle suddenly becomes blocked and the heart can't get oxygen. Most heart attacks occur as a result of coronary heart disease. A less common cause is a severe spasm of the coronary artery.
Media Type: Html
- SourceUrl: https://www.nhlbi.nih.gov/subscribe/4278
- Syndication ID: 4067
- Language: English
- Source: National Heart, Lung, and Blood Institute (NHLBI)
- Date Content Published: Friday, November 06, 2015 at 12:00 PM
- Date Syndication Captured: Tuesday, March 15, 2016 at 08:06 PM
- Date Syndication Updated: Thursday, July 09, 2026 at 01:03 AM
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