Medical Imaging

• 6 hours fasting prior the exam
• Drink ample amount of water to ensure full bladder upon examination.

• 6 hours fasting prior the exam
• Kidney function test 48 hours before the exam
• Document anti-hypertensive & oral hypoglycaemic

• 6 hours fasting prior the exam
• Kidney function test 48 hours before the exam


• Contraindications:
  • Claustrophobia (fear of enclosed spaces) or anxiety.
  • Removable dental work.
  • Internal (implanted) defibrillator or pacemaker
  • Cochlear (ear) implant
  • Some types of clips used on brain aneurysms & Some types of metal coils placed within blood vessels
  • Artificial heart valves & Implanted electronic device, including a cardiac
  • pacemaker
  • Implanted drug infusion ports
  • Artificial limbs or metallic joint prostheses
  • Implanted nerve stimulators
  • Metal pins, screws, plates, stents or surgical staples

Note that:

• A recently placed artificial joint may require the use of another imaging procedure. If there is any doubt of their presence, an x-ray may be taken to detect and identify any metal objects.
• Patients who might have metal objects in certain parts of their bodies may also require an x-ray prior to an MRI
• Jewelry, watches, credit cards and hearing aids, all of which can be damaged.
• Pins, hairpins, metal zippers and similar metallic items, which can distort MRI images.
• You have to bring your previous studies for comparison