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magnetic resonance imaging (MRI)

Magnetic Resonance Imaging (MRI) is a non-invasive medical imaging test that uses a strong magnetic field, radio waves and a specialized computer to produce detailed images of the human anatomy. The procedure does not use radiation and is considered to be safe; however, metallic implanted devices within the patient's body may be affected by the magnetic field.

When having an MRI, the patient is required to lie on the exam table which then moves him or her into the MRI scanner. The scanner is open at both ends, and some exams may be performed either head first or feet first. Examinations can range anywhere from 10 to 60 minutes in length, and holding still is important because the machine is very sensitive to motion. Some exams may require an intravenous injection called Gadolinium.


​Queen Elizabeth Hospital