The magnetic fields and radio waves used in cardiac MRI have no side effects. This method of taking pictures of organs and tissues doesn't carry a risk of causing cancer or birth defects.
Serious reactions to the contrast agent used during some MRI tests are very rare. However, side effects are possible and include the following:
- Nausea (feeling sick to your stomach)
- Changes in taste
- Allergic reactions
Rarely, the contrast agent can harm people who have severe kidney or liver disease. The substance may cause a disease called nephrogenic (NEF-ro-JEN-ik) systemic fibrosis.
If your cardiac MRI includes a stress test, more medicines will be used during the test. These medicines may have other side effects that aren't expected during a regular MRI scan, such as:
New pediatric imaging facility aims to improve treatment for congenital heart disease07/31/2013
Members of the National Heart, Lung, and Blood Institute and Children's National Medical Center discuss the new pediatric imaging suite opening at Children's Hospital and how it may advance our ability to diagnose and treat congenital heart disease.