MRI Scans

What is it?

This noninvasive imaging technique that uses a strongmagnetic field to create a detailed three-dimensional view of the inside of the body. MRI images provide a much clearer view of soft tissuescompared to CT scans. This makes MRI a valuable diagnostic tool and has revolutionised spinal surgery.

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What happens on the day?

Before an MRI, the patient is asked to remove any metallic items such as glasses, jewelry, dentures and dental bridges. Patients with certain types of surgical implants (e.g. cardiac defibrillators, pacemakers, cochlear implants, and certain types of brain clips and implanted metal coils) cannot receive an MRI. 

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The patient will be asked to wear a gown. and be given hearing protection. Young children and people who have extreme anxiety may be sedated to help them remain motionless and comfortable during the scan.

In some cases, the scan may require the use of a contrast material. This can help provide a clearer image of the area to be scanned. Patients may be given an oral contrast agent, or it may be administered intravenously.

The procedure

Once positioned in the tight tunnel, the patient will hear a series of loud banging and humming noises. A scan may take between 30 and 90 minute and the patient must remain still during this time so that the image is not blurred. If the patient moves, the scan may need to be stopped and restarted from the beginning. 

A technician runs the scan and will have contact with the patient via a microphone and speaker.  Some patients who suffer from claustrophobia my require a more spacious scanner known as an open mri.

The images will be available for review immediately.

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