Does your whole body go in for a cardiac MRI?
Matthew Barrera
Updated on May 10, 2026
An MRI can be performed on any part of your body. However, a heart or cardiac MRI looks specifically at your heart and nearby blood vessels.
How long does a cardiac MRI scan take?
How long does a cardiac MRI take? The examination uses very different technology to a normal X-ray, and does take more time to carry out. Depending on the problem being investigated, the scan time can vary from 20 to 45 minutes. Particularly complex heart conditions can require up to an hour of scanning.What can I expect from a cardiac MRI?
For the MRI itself, you will lie on your back in the magnet for approximately 90 minutes – 2 hours. You will be given earplugs as the magnet creates a knocking sound during the exam. You will be asked to hold your breath for about 15-20 seconds at a time; this will be repeated during your scan.How do they do a cardiac MRI?
The table will slide into a large cylinder (the MRI machine) Detailed pictures of your heart and blood vessels are taken. You'll be instructed to hold your breath for 10 seconds as each picture is taken. The MRI machine will make loud humming, tapping and buzzing noises.What do you wear for a heart MRI?
Leave all jewelry at home and wear loose, comfortable clothing. You may need to change into a gown for the procedure. If you have claustrophobia or anxiety, ask your doctor for a mild sedative prior to the exam. What is Cardiac MRI?Cardiac MRI: What you should know if your doctor orders a cardiac MRI
What should you not do before a cardiac MRI?
Take your normal medicines and eat regular meals unless your provider tells you not to. Don't wear any jewelry because it will cause problems with the machine's magnets and images. An MRI can damage jewelry, as well. Don't forget to remove any piercings, glasses, hearing aids or hair barrettes that contain metal.Can a cardiac MRI be done in an open MRI?
Conclusions: Open MRI with lower field strength can be used for functional imaging of the heart.Do you need contrast for cardiac MRI?
The majority of cardiac MRI exams use intravenous gadolinium-based contrast agents (GBCAs) to improve visualization of the heart muscle and blood flow. GBCAs are classified as either linear or macrocyclic based on the type of ligand used.Is cardiac MRI better than echo?
Conclusions: Echocardiography shows systematically smaller atrial and ventricular dimensions and volumes, and larger wall thickness and mass, compared with cardiac MRI. Correction for the echocardiographic formulas can facilitate better intertechnique comparability.Is cardiac MRI safe?
Risks of Cardiac MRICardiac MRI does not involve the use of radiation. The magnetic fields and radio waves used in a cardiac MRI have no significant side effects and are not harmful to most people.
Why can't I drink water before an MRI?
That's because when you lie flat, gravity can't help move food and acid down the esophagus and through your digestive tract. If you often experience esophageal reflux, you may want to limit the amount you eat or drink before your MRI or abstain from eating and drinking for a few hours prior to your MRI.How do you deal with MRI claustrophobia?
Getting Through an MRI When You Have Claustrophobia
- 1-Ask questions beforehand. The more educated and informed you are on the specifics of the test, the less likely you are to be surprised by something. ...
- 2-Listen to music. ...
- 3-Cover your eyes. ...
- 4-Breathe and meditate. ...
- 5-Ask for a blanket. ...
- 6-Stretch beforehand. ...
- 7-Take medication.