The Moncton Hospital - Medical Imaging - Magnetic Resonance Imaging



	MAGNETIC RESONANCE IMAGING (MRI) Frequently Asked Questions What causes the noise in the MRI scanner? The noise is created by rising electrical current in the wires of the gradient magnets being opposed by the main magnetic field. The patient is in no danger during this procedure. How long does it take? The procedure can take 30 to 45 minutes with the patient holding still at all times. How safe is the MRI contrast as I had a reaction to the CT scanning contrast before? Is this the same dye? MRI contrast agents are safe. They are different from those used in X-ray or CAT. Can I have an MRI if I am pregnant? Yes. Adverse side effects have not been proven from performing MRI during pregnancy. However, it is considered wise to avoid scanning during the first trimester of the pregnancy. Can I walk in the magnet to help lift or move the stretcher, or just watch? Because the magnet is always on, very strict safety standards need to be followed. Patient and staff safety always comes first. Once you enter the room, you are within the magnetic field. All patients/staff must be screened before entering. Back to top


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