Case report describes a programming failure in a leadless pacemaker due to loop recorder interference, indicating device compatibility challenges.
The growing prevalence of co‐implanted cardiac electronic devices increases the potential for clinically significant interactions. We describe the case of an 81‐year‐old man with a Biotronik BIOMONITOR IV implantable loop recorder (ILR) who required a Medtronic MICRA VR leadless pacemaker. Post‐implantation, interrogation with the modern Medtronic SmartSync programmer failed due to suspected electromagnetic interference from the ILR. Communication was successfully established using the older Medtronic CareLink 2090 programmer. This report highlights a unique instance of inter‐device interference, underscoring the importance of understanding programmer technology and device compatibility in complex clinical scenarios.
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Pavani et al. (2025) studied this question.
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