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Year : 2018  |  Volume : 3  |  Issue : 1  |  Page : 16-24

Magnetic resonance imaging-conditional devices: Where have we reached today?

1 Department of Cardiology, Delhi Heart and Lung Institute, New Delhi, India
2 Department of Cardiac Electrophysiology, Mount Sinai School of Medicine and Hospital Centre, New York, USA

Correspondence Address:
Prof. Kamal K Sethi
Department of Cardiology, Delhi Heart and Lung Institute, 3 MM II, Panchkuian Road, New Delhi - 110 055
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/IJHR.IJHR_12_16

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Scientific growth in the field of magnetic resonance imaging (MRI) and cardiac devices has been exponential in recent decades. Cardiac implantable electronic devices due to their ferromagnetic constituents in leads and device body have always been an issue if patients need MRI. MRI is relatively safe. Recent introduction of changes in leads and device body constituents renders them less ferromagnetic, making MRI less frightening to a certain extent. Simultaneously, there is increasing research interest in MRI. Not only anatomy and pathology but also physiology of cardiac and nervous structures can be imaged. It is estimated that 53%–64% of intracardiac defibrillator (ICD) patients will require an MRI determination over a 10-year time horizon, highlighting the importance of MRI-conditional devices for this patient population. In this article, we briefly describe evolution and current status of conditioning of cardiac devices to make them MRI-friendly and briefly discuss where we are in terms of our physician role with respect to MRI-conditional devices.

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