HealthCARE Imaging service MRI


Magnetic Resonance Imaging (MRI) generates images of the body without using radiation. A MRI is a diagnostic procedure that uses large magnetic radio frequency pulses and a computer to produce detailed images of organs and structures within the body. There are no known harmful effects from the magnetic field, or exposure to radio waves, associated with creating MRI images.


At the time of scheduling, and at your appointment, you will be asked a series of screening questions to determine whether you may proceed with the exam.

You will be asked to remove all metal or electronic objects from your body before the exam. These objects interfere with the magnetic field and can be very dangerous if taken into the exam room. If you have ever had metal in your eyes you may need to have an X-ray of your head prior to undergoing an MRI.

Tell your technologist at the time of your exam if you have any metal or electronic devices in or on your body including, but not limited to:

  • Watches or jewelry
  • Cell phones or PDAs
  • Implanted medical devices (i.e. pacemaker, defibrillators)
  • Implanted metallic joint prostheses, artifical heart valves, cochlear implants, hearing aids or metallic dentures.

Tell your technologist and your doctor if you are pregnant or suspect you may be pregnant. Your doctor may postpone the exam or choose an alternative exam


The exam is painless and on average takes between 30 to 45 minutes, excluding preparation time. The amount of time varies depending on the type and number of exams for which you are scheduled.

During the exam, you will be asked to lie on a movable table. A coil, or small antenna-like device, may be placed over the body part to be examined. Once you have been positioned the technologist will move the table into the MRI scanner, which is a long tube-shaped machine.

During the MRI scan, the magnet produces repetitive thumping and tapping sounds. You will be given earplugs to help block the noise of the scanner. You may have the option of listening to music of your choice.

The technologist monitors you throughout the procedure. A microphone system enables you to communicate with the technologist at all times. You will also be given a device that will allow you to alert the technologist if you are having any difficulty during the procedure.


When your exam is complete, you may leave and resume regular activities. A radiologist will review your exam images and report the findings to your doctor. Your doctor will then discuss the findings and next steps with you.

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