MRI
What is an MRI?
Magnetic Resonance Imaging (MRI) is an imaging modality that produces detailed multi-sectional images of the body using magnetic fields and radio waves. During the scan, a computer processes the signals from the body's water cells (hydrogen) and produces images. It is painless yet noisy and time-consuming.
What do I need before the scan?
You need a doctor's referral letter to book a scan. Most scans take between 30 and 45 minutes. If you have medical aid, our personnel will obtain an authorisation number from your medical aid.
Be sure to arrive at least 15 min before your appointment time to complete the necessary forms.
Important: If you have a pacemaker, cochlear implant, aneurysm clips, implanted measuring devices (e.g., for diabetes), or any other metal implants, please inform us at least two days before your appointment. Some devices are not allowed in the MRI room, and some must be set to safety mode.
What happens on the day of the examination and during the examination?
On arrival, you must complete an MRI questionnaire (link MRI questionnaire). The radiographer will review the questionnaire with you before the examination. You will be asked to remove all jewellery and metal objects and change into one of our gowns. Place all your valuables in the basket provided; they will be kept safe during your procedure.
The MRI scanner is a large “tunnel” open on both sides. It makes a continuous loud knocking sound while scanning. If you prefer, you can request music headphones. The radiographer will give you a small plastic balloon to keep in your hand; this is a buzzer, which you may use to contact the radiographer at any time throughout the procedure.
You must keep entirely still during the procedure.
In some cases, the administration of a contrast agent is required through a vein in your arm.
What happens after the procedure?
After the scan, you may resume normal activities. You will be given a copy of your images, and a detailed report will be sent to your referring doctor.