It is estimated that 50% to 75% of patients with implanted cardiac devices will need an MRI scan during the lifetime of their device. The document states that MRI should only be performed in patients with these devices in centres with appropriate teams, protocols, and equipment. “Collaborative relationships between radiologists, physicists, cardiologists, and allied health staff members are essential for safe outcomes,” state the authors. They recommend reprogramming the cardiac device before and after a scan and provide detailed instructions.
For radiation, there is a small risk that cardiac devices will not function properly after therapy. Professor Stühlinger said: “Pacemakers and implanted defibrillators should be checked regularly during radiation treatment, either with remote monitoring or a weekly in-person appointment.

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He concluded: “This is a comprehensive report describing the preventive measures that should be employed to ensure that patients with implanted cardiac devices can undergo medical procedures safely.”
The international consensus statement was developed by the European Heart Rhythm Association (EHRA), a branch of the ESC; the Heart Rhythm Society (HRS); the Asia Pacific Heart Rhythm Society (APHRS); and the Latin American Heart Rhythm Society (LAHRS). It is also published in Heart Rhythm, the official journal of the HRS, Journal of Arrhythmia, the official journal of the APHRS, and Journal of Interventional Cardiac Electrophysiology, the official journal of the LAHRS.
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