What is a myocardial bridge?

Ask the doctor

Published: January, 2021

Q. My 64-year-old brother had some transient chest pain while he was training for a cycling trip, so I urged him to see his doctor. Tests showed that he has a myocardial bridge. What does that mean?

A. The arteries that supply blood to the heart lie on the surface of the organ. But in some people, one of these arteries dives into the heart muscle and comes back out again, forming what's called a myocardial bridge. The bridge refers to the band of heart muscle (myocardium) that extends over that portion of the artery.

To continue reading this article, you must log in.
  • Research health conditions
  • Check your symptoms
  • Prepare for a doctor's visit or test
  • Find the best treatments and procedures for you
  • Explore options for better nutrition and exercise

New subscriptions to Harvard Health Online are temporarily unavailable. Click the button below to learn about our other subscription offers.

Learn More »