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Updated: Oct 9, 2026

Porcine Cardiac Arrest Model Using an Implantable Defibrillator
Published on: January 9, 2026
Inability to communicate with ICDs: an underreported failure mode
M L Blitzer1, M A Marieb, M H Schoenfeld
1Electrophysiology Service, Hospital of Saint Raphaels, New Haven, Connecticut, USA.
Abstract:
The inability to perform telemetry on an ICD may have many potential causes. We report three recently identified cases where such a finding was indicative of unexpected device failure. Two of these cases involved identical failure mechanisms resulting from arcing of current within the high voltage hybrid. This placed the device into a high current state that caused rapid and complete battery depletion. There were no company alerts issued regarding this systematic problem. A multicenter arrhythmia device/lead database would be extremely useful in providing timely and unbiased information concerning device problems.
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