Medical Imaging

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

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

• 6 hours of fasting before 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 devices, 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 with metal objects in certain parts of their bodies may also require an X-ray before an MRI.
• Jewelry, watches, credit cards, and hearing aids can all be damaged.
• Pins, hairpins, metal zippers, and similar metallic items can distort MRI images.
• You have to bring your previous studies for comparison.