Related manufacturer reference number: 2017865-2023-42639.It was reported that the patient received inappropriate high voltage (hv) therapy from their implantable cardioverter defibrillator due to incorrect interpretation of signals.During follow-up in clinic, it was noted that the patient's right ventricular lead exhibited high capture threshold and impedance.R-waves were noted to be diminished.It was elected to revise the lead.During lead revision, the helix of the lead failed to be retracted and extended.It was alleged that the lead had perforated the cardiac tissue, resulting in the helix issue.The lead was explanted and replaced.The patient was stable.
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