It was reported that this patient with this cardiac resynchronization therapy defibrillator (crt-d) had a pacing feature turned on in which delivered pacing and induced an arrhythmia.The patient received anti-tachycardia pacing (atp) in which was unsuccessful in converting the arrhythmia and instead accelerated the rhythm into ventricular fibrillation (vf).The physician reported having to perform cpr in which the device appropriately detected and delivered a shock in which the rhythm converted.Post a device interrogation was performed and lead measurements were within normal range.At this time, the device remains in service.No additional adverse patient effects were reported.
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