PREPARATION FOR AN MRI

Prior to an MRI, most individuals will have a conversation with their doctor to discuss the reason for the test. As part of this, a careful assessment of your history will occur. This typically involves a checklist to ensure that the MRI can be performed safely.
As MRI scans are done with a large magnet, it will be important to identify any metal that may be present in your body. Certain metals within your body may prevent you from getting an MRI, and you may be asked about:
  • Prior surgery with retained metal implants (including artificial metallic prostheses, pins, screws, plates, stents, clips, or staples)
  • Implanted devices (including pacemakers, cochlear implants, drug infusion ports, artificial heart valves, and nerve stimulators)
  • Tattoos (those more than 20 years old may contain metal in the ink that may cause irritation though the evidence for this is limited)
  • Work as a welder (with the possibility of metal fragments within the eye)
  • Retained metal schrapnel (including bullet fragments)
Beyond these considerations, it will be important to remove other metal objects such as jewelry, body piercings, hearing aids, removable dental work, etc.

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