MRI

Magnetic Resonance Imaging

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Magnetic Resonance Imaging, MRI

  • Contraindications
  1. Pacemaker
  2. Intracranial Aneurysm clips
  3. Metallic foreign body in eye or brain
  4. Implantable Defibrillator (AICD)
  5. Cochlear Implant
  6. TENS unit
  • Safety
  • Allowed metal objects
  1. Coronary stents
  2. Surgical Clips
  • Safety
  • Pregnancy
  1. MRI appears safe in pregnancy
  2. However, Gadolinium is associated with Stillbirths and a small increased risk of rheumatologic or inflammatory conditions
  3. Ray (2016) JAMA 316(9):952-61 +PMID:27599330 [PubMed]
  • Precautions
  1. Magnetic field is always on
  2. Do not enter scan room with a metallic object
    1. Stethoscope
    2. Tuning fork
    3. Reflex hammer