All persons coming in contact with the magnetic field should be appropriately screened for contraindication. A useful reference for determining MR compatibility is Shellock s Pocket guide to MR Procedur and Metallic Objects.
The following devices are absolutely contraindicated for MR imaging because they are magnetically, electrically, mechanically activated or affected :
a. Pacemakers
b. Neurostimulators
c. Cochlear implants
d. Bone Growth stimulators
e. Implant able drug-infusion pumps
f. implant able cardiac defibrillators
g. implant able pediatric sternum device
h.metallic foreign body in the eye
The following are relative contraindications for MR imaging:
a. Intra-cranial vascular clips
b.Penile implants
c. Shrapnel
d. Halo
e. Coronary stents
f. Pregnancy
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