MRI is a noninvasive test that uses a large magnet, radio signals and a computer to make images of organs and tissues in the body; in this case, the heart.
MRI of the heart may be done to assess the heart’s chambers size and function, thickness and movement of the walls of the heart, the extent of damage caused by a heart attack or heart disease, structural problems in the aorta, such as aneurysm or dissection, inflammation or blockages in the blood vessels. There may be other reasons for your health care provider to recommend an MRI of the heart.
There is no radiation exposure during MRI. You can’t have an MRI if you have a:
If you are pregnant or think you may be, tell your health care provider. MRI is generally safe in pregnancy but you and your provider should discuss the risks and benefits. Contrast dye may be used; there may be a risk of an allergic reaction to the dye. If you are sensitive to medicines tell your healthcare provider. If you have kidney problems, there is risk of a serious reaction to the dye. MRI contrast may have an effect on conditions such as allergies, asthma, anemia, low blood pressure, kidney disease, or sickle cell disease. There may be other risks depending on your specific medical condition. Be sure to discuss any concerns with your health care provider prior to the MRI.