Sense-B-noise: an enigmatic cause for inappropriate shocks in subcutaneous implantable cardioverter defibrillators.

Andreas Haeberlin,Haran Burri,Beat Schaer,Pascal Koepfli,Christian Grebmer,Alexander Breitenstein,Tobias Reichlin,Fabian Noti

Europace : European pacing, arrhythmias, and cardiac electrophysiology : journal of the working groups on cardiac pacing, arrhythmias, and cardiac cellular electrophysiology of the European Society of Cardiology（2023）

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摘要

Sense-B-noise is a novel cause for IAS due to non-physiologic signal oversensing, arising from a previously unknown S-ICD system issue. Sense-B-noise may be suspected if episodes of signal saturation in primary or alternate vector configuration are present, oversensing cannot be provoked, and X-ray and electrical measurements appear normal. The issue can be resolved by reprogramming the device to secondary sensing vector.

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关键词

Device failure,Inappropriate shock,Oversensing,S-ICD,Subcutaneous defibrillator

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