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, 9 (3), 137-41

Safety of MRIs in Patients With Pacemakers and Defibrillators


Safety of MRIs in Patients With Pacemakers and Defibrillators

Santhisri Kodali et al. Methodist Debakey Cardiovasc J.


With a burgeoning population, increases in life expectancy, and expanding indications, the number of patients with cardiac devices such as pacemakers and implantable cardioverter defibrillators continues to increase each year. A majority of these patients will develop an indication for magnetic resonance imaging (MRI) in their lifetime. MRIs have established themselves as one of the most powerful imaging tools for a variety of conditions. However, given the historic safety concerns, many physicians are reluctant to use MRIs in this patient population. In this paper, we discuss the potential adverse effects of MRIs in patients with cardiac devices, review key studies that have addressed strategies to limit adverse effects, and provide our cardiovascular MRI laboratory's protocol for imaging patients with implanted cardiac devices.

Keywords: Advisa MRI; ICD; MR conditional; MRI; MRI safety; defibrillators; implantable cardioverter defibrillator; pacemakers.

Conflict of interest statement

Conflict of Interest Disclosure: The authors have completed and submitted the Methodist DeBakey Cardiovascular Journal Conflict of Interest Statement and none were reported.


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Funding/Support: Dr. Shah receives research grant funding through Siemens Medical Solutions.

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