Magnetic Resonance Angiography

for this test. Tell your doctor if you are allergic to dye or shellfish.

You may be given a drug to help you relax during the test. If so, you will not be allowed to drive right away after the test. Ask a family member or a friend to drive you home.

Your doctor may: ‚

Take an x-ray to check if there are any metal objects in your body
Ask you to remove your watch, jewelry, glasses, dentures, partials, hearing aids, and all other metal objects
Tell you to stop eating or drinking before your procedure

What happens during the procedure?

You will lie on a narrow exam table. When the test starts, the table moves into a large magnetic tunnel at the center of the MRI scanner.
You are alone in the MRI room during the test. The staff will be close by where they can see you while you are having the MRI. They also use special tools to watch your heart rate and breathing.
The staff will place an I.V. in your blood vessel so they can give you the contrast dye. The dye is used to make the pictures clearer. You may feel warm for a minute or two when the dye is given.
The MRI machine often makes loud and knocking noises while it is working. Earplugs or headphones help block the noise of the MRI machine during the test. They also allow the staff to talk with you.
It is important that you do not move during the test.
The magnetic field is created and radio waves are sent from the scanner. The waves react in your body and respond with signals. These signals are received by the computer. Then, it makes them into pictures of the blood vessels.
When the test is over, the exam table moves out of the magnetic tunnel and the I.V. is taken out.
The test takes 1 to 2 hours.

What happens after the procedure?

If you came from home, you should be able to go home after your test.
If you are in the hospital, you will go back to your room.
Your doctor will look at the pictures with the staff and the MRI expert.
After the review is done, your doctor will talk about your test results with you. Your doctor may ask you to plan a visit to talk about the test results.

What care is needed at home?

Ask your doctor what you need to do when you go home. Make sure you ask questions if you do not understand what the doctor says. This way you will know what you need to do.
Drink lots of fluids to help flush the dye out of your body.
Your doctor will let you know when you can go back to your normal activities and diet after the test.

What follow-up care is needed?

Your doctor may ask you to make visits to the office to check on your progress. Be sure to keep these visits.

What problems could happen?

Some patients may have an allergic reaction to the contrast dye. These reactions may range from mild hives to (rarely) anaphylactic shock.
You may feel very nervous during the test if you have a problem with small spaces or anxiety. Ask your doctor for drugs to help with these feelings.

Where can I learn more?

RadiologyInfo.org ‚
http://www.radiologyinfo.org/en/info.cfm?pg=angiomr ‚
Vascular Web ‚
http://www.vascularweb.org/vascularhealth/Pages/magnetic-resonance-angiography.aspx ‚

Consumer Information Use and Disclaimer

This information is not specific medical advice and does not replace information you receive from your health care provider. This is only a brief summary of general information. It does NOT include all information about conditions, illnesses, injuries, tests, procedures, treatments, therapies, discharge instructions or life-style choices that may apply to you. You must talk with your health care provider for complete information about your health and treatment options. This information should not be used to decide whether or not to accept your health care providers advice, instructions or recommendations. Only your health care provider has the knowledge and training to provide advice that is right for you. ‚

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