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Magnetic Resonance Imaging (MRI)

MR image of a patient's brain

General information

An MRI scanner can take pictures of any part of the body without using x-rays. Patients lie on a table inside a very strong magnet.

Since our bodies are mostly made up of water, when we lie down in a strong magnetic field, the hydrogen atoms in the water "line up" with the magnetic field, much like a compass pointing north.

To create the pictures, radio waves are applied, which causes the atoms to emit signals. These signals are measured and are then used to create pictures of the body part being examined.

What to expect during an MRI

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Location and contact

Magnetic Resonance Imaging (MRI)

Sunnybrook Health Sciences Centre
2075 Bayview Avenue,
A-wing, ground floor, room AG 256
Toronto, ON M4N 3M5

Phone: 416-480-6177

MRI services are available at our Bayview Campus by pre-scheduled appointment only.