Recent Blog Articles

On call: MRIs and coronary stents

Updated: September 01, 2007

On call

MRIs and coronary stents

Q. When I had an MRI of my knee after a skiing injury last fall, I was told the test was dangerous for people who have metal devices in their bodies. Since then, I developed angina and my cardiologist put in a metal stent. I'm doing fine, but if I need an MRI in the future, will I be able to get one?

A. It is true that MRIs are dangerous in patients with certain artificial joints, cardiac pacemakers and defibrillators, and other implanted metal devices. Even a tiny metal fragment in the eye can be hazardous, since the energy from an MRI can cause the metal to heat up, possibly damaging sensitive tissues.

To continue reading this article, you must log in.

Subscribe to Harvard Health Online for immediate access to health news and information from Harvard Medical School.

  • 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
Learn more about the many benefits and features of joining Harvard Health Online »

I'd like to receive access to Harvard Health Online for only $4.99 a month.

Sign Me Up

Already a member? Login ».

Disclaimer:

As a service to our readers, Harvard Health Publishing provides access to our library of archived content. Please note the date of last review or update on all articles. No content on this site, regardless of date, should ever be used as a substitute for direct medical advice from your doctor or other qualified clinician.