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MRI (Magnetic Resonance Imaging)

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What is Magnetic Resonance Imaging (MRI)?

Magnetic Resonance Imaging (MRI) is an imaging technique that uses a strong magnetic field, radiowaves, and computers to create detailed images inside the body. MRI does not use radiation. During an MRI scan, the patient lies on a table that slides into a cylindrical machine called an MRI scanner. The scanner creates a magnetic field around the patient.

MRI is often used to study organs or soft tissues. When examining blood vessels, the MRI performs a specialized type of exam called an MRA (Magnetic Resonance Angiography).

For other specialized MRI studies, functional 3T MRI studies are performed. A functional MRI scan is similar to an ordinary MRI scan, but it includes performing simple tasks (tapping fingers, looking at pictures, listening to sounds, answering simple questions) while images are taken.

For general questions or to reschedule an exam.

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UR Medicine's Approach

Appointment Information

You may receive a call from us to review your medical history to determine that no issues exist preventing you from having an MRI scan.

We ask that you call at least three days ahead of your appointment if:

You believe you may be pregnant.
You have had an allergy/reaction (i.e., hives, rash, itching, breathing difficulty) while undergoing a previous imaging study.
You have a pacemaker or surgical implant.
You have obstructive sleep apnea.

If you are very claustrophobic, consider obtaining a light sedative from your doctor. If you decide to take a sedative, someone else must drive you to and from your appointment.

Instructions for the Day of Your Procedure

Please arrive on time.
If you are pregnant, notify the MRI technologist.
If you have a known contrast allergy, notify the MRI technologist or nurse.
Remove and leave all jewelry and/or metal at home.
Leave valuables at home.
Bring your insurance card and photo ID.
Do not wear makeup.
A parent/guardian should remain in the building when a child (under 19 years) is having an imaging procedure.
All parents/guardians having an imaging study must be aware that there is no supervision available for children. Please do not have children accompany you to your appointment.

What to Expect During the MRI

The Day of Your Procedure

You will be asked to change into a scrub top and bottoms.
Some MRI scans require a contrast agent. If an IV contrast is needed, an IV will be inserted. Other MRI scans may require you to drink oral contrast.
The MRI causes no pain. It is necessary that you remain very still so that the images will be clear.
You will hear tapping or knocking noises during phases of the scan. Earplugs will be provided.
You may experience a warm feeling. This is normal, but if it bothers you, inform the MRI technologist.
The MRI technologist will communicate with you at various times during the scan to ensure your comfort.

After Your Procedure

You will be given post-procedure instructions.
Your results will be sent to your referring physician within two business days. Please contact your physician.
If you have a MyChart account, your results will be posted in 14 days.

What Sets Us Apart?

UR Medicine Imaging operates equipment with the latest advances in MRI technology. We have a 3T (Tesla) MRI, which has a magnetic field that is twice as strong as the more common 1.5 tesla scanners. This greater strength provides more detailed images.

Some of our MRI units have a wide bore, meaning the MRI tunnel that is wider than that of traditional MRI units. This feature provides peace of mind for those patients who are claustrophobic and/or unable to fit comfortably into a standard MRI.