- Reviewed by Christopher P. Cannon, MD, Editor in Chief, Harvard Heart Letter; Editorial Advisory Board Member, Harvard Health Publishing
Most people don't know that you can have a heart attack without realizing it. In fact, these so-called silent heart attacks account for an estimated 30% to 60% of all heart attacks. But recognizing and responding to a silent heart attack is important, as they can be harbingers for a more serious, potentially deadly heart attack.
"Heart attacks can be silent for a variety of reasons," says cardiologist Dr. Peter Stone, professor of medicine at Harvard Medical School. Just like a regular heart attack, a silent one occurs when the heart muscle doesn't receive enough blood, usually when a clot blocks blood flow inside a narrowed heart artery.
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About the Author
Julie Corliss, Executive Editor, Harvard Heart Letter
About the Reviewer
Christopher P. Cannon, MD, Editor in Chief, Harvard Heart Letter; Editorial Advisory Board Member, Harvard Health Publishing
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