ArticleThe Journal of innovations in cardiac rhythm management2026
Heart Rate Threshold Settings for Ventricular Tachycardia in Patients with Wearable Cardioverter-defibrillators.
Article in The Journal of innovations in cardiac rhythm management, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
The wearable cardioverter-defibrillator (WCD) uses programmable heart rate (HR) and detection time to determine the need for shock delivery, but the optimal ventricular tachycardia (VT) HR detection zone is unknown. The LifeVest™ (ZOLL Medical, Chelmsford, MA, USA) WCD has a default VT detection rate of 150 bpm. We found that 15% of appropriate shocks among WCD recipients were delivered for VT 150-170 bpm and that 30% of these patients experienced loss of consciousness. Based on these findings, a programmed VT detection threshold of 150 bpm should be considered.
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