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HomeHealthMagnetic Resonance Imaging (MRI) is an advanced technology

Magnetic Resonance Imaging (MRI) is an advanced technology


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Magnetic Resonance Imaging (MRI) is an advanced technology that uses magnetic fields and radiofrequency waves to produce images of various parts of the body including, bone, soft tissue, ligaments, muscles, joints, blood vessels and other internal organs.


MRI is a medical imaging procedure that uses strong magnetic fields and radio waves to produce cross-sectional images of the body. MRI can give different information about structures in the body than can be obtained using standard X-Ray, Computed Tomography (CT) or Ultrasound. In some cases, a contrast agent may be required to show internal structures or abnormalities more clearly.

MRI does not use ionising radiation. There are no known harmful side effects associated with temporary exposure to a strong magnetic field, but for important safety considerations please see the preparation below.

Preparing for an MRI scan

Please bring your referral (letter from your practitioner) and your Medicare and/or Pension Healthcare card with you to your appointment. It is important to bring all previous imaging relating to the region being scanned.

In most cases, no special preparation is needed. However, there may be some circumstances in which you will be given specific instructions to follow before the exam and our staff will inform you at the time of booking, if necessary.

  • Musculoskeletal scans usually require no special preparation.
  • Upper Abdominal MRI (including Liver, Pancreas, and Kidney (Renal), requires 4-hour fasting.
  • MRCP (Magnetic Resonance CholangioPancreatography) requires 8-hour fasting.

The MRI scanner uses a strong magnetic field, which will move ferromagnetic objects. You must let your doctor know if you have:

  • A pacemaker
  • Aneurysm clips
  • Cochlear implants
  • A neurostimulator
  • Metal implants
  • Steel surgical staples or clips
  • An implanted drug infusion device
  • Any implant made partially or wholly of iron or steel

If you are pregnant, please inform your referring doctor and the radiographer.

Prior to your scan remove any coins, wallets, jewellery, watches, keys, dentures or partial plates. It is best to leave any valuables at home.


For your safety you will be required to complete a questionnaire, prior to the examination. Our qualified and experienced radiographer will perform the MRI scan.

You may be asked to change into a gown.

When the MRI scan starts, you will hear some loud knocking noises. These sounds occur whenever the MRI images are being taken. You will be provided with earplugs or headphones with music to help block out the MRI noise.

The MRI scan can take 15 to 30 minutes and may take longer for multiple regions. It is very important that you remain still during the scanning time as movement will degrade the quality of the images.

To allow the radiologist to see the anatomy/pathology more clearly, you may require an injection of an MRI specific contrast agent. If so, you will be asked to give your consent to the injection. MRI contrast agents typically have few or no side effects.

After the exam, you can go back to your everyday activities.

If you have further questions about your MRI exam, our staff will be happy to answer them.

For severe cases of claustrophobia, light sedation can be provided. Please discuss this with your referring practitioner prior to booking. Four hours fasting is required and you must bring someone to drive you home after the MRI scan.


Results may be provided electronically to your referring doctor or specialist.

Synergy Radiology strongly advises that you return to your practitioner, in order for your doctor to discuss your radiology report with you.

If you do have any questions or concerns, please do not hesitate to ask our staff.


How long does the MRI scan take?
The MRI scan can take 15 to 30 minutes and may take longer for multiple regions. It is very important that you remain still during the scanning time as movement will degrade the quality of the images.

Can I sleep during my scan?
Yes, the MRI scanner can be quite noisy, but you will be provided with earplugs or headphones with music to help block out the MRI noise.

Are there any physical effects of having an MRI scan?
Prolonged exposure to radio waves during the scan may lead to slight warming of the body. This is a normal effect but please notify the radiographer if the heating effects become uncomfortable.

How strong is the magnetic field?
The MRI field strength is 1.5 or 3.0 Tesla- which is a strong magnetic field. It is important to comply with all safety procedures and instructions given by the qualified MRI staff.

Can I bring my own music to listen to?

Yes, but it is not always possible to use headphones. Alternatively, earplugs will be provided. If you do have any questions, please ask at the time of booking.

What if I am claustrophobic?
Please discuss this with your referring doctor prior to booking.

Rouse Hill medical imaging now Bulk Bill Specialist and specific region GP Medicare eligible referrals.

Will the radiographer performing my scan, be able to tell me the results?
It is the radiographer’s duty to perform the test and ensure the images are clear for the radiologist (specialist) to interpret them.


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