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心室率稳定算法的自我延续导致的不适当起搏：植入式心律转复除颤器感知T波过度的一种表现。

Inappropriate pacing due to autoperpetuation of the ventricular rate stabilization algorithm: a manifestation of T wave oversensing by ICDs.

作者信息

Pinski S L

机构信息

Section of Cardiology, Rush-Presbyterian-St. Luke's Medical Center, Chicago, IL 60612, USA.

出版信息

Pacing Clin Electrophysiol. 2000 Sep;23(9):1446-7. doi: 10.1111/j.1540-8159.2000.tb00980.x.

DOI:10.1111/j.1540-8159.2000.tb00980.x
PMID:11025907
Abstract

Preventive pacing algorithms designed to eliminate the pause that follows a premature ventricular depolarization have been incorporated in current implantable defibrillators. We report a patient in whom intermittent T wave oversensing frequently invoked the ventricular rate stabilization algorithm and resulted in periods of inappropriate VVI pacing. The problem was solved by decreasing the maximum sensitivity from 0.3 mV to 0.45 mV. Implant testing had revealed adequate sensing of ventricular fibrillation with a maximum sensitivity of 1.2 mV.

摘要

旨在消除室性早搏后停顿的预防性起搏算法已被纳入当前的植入式除颤器中。我们报告了一名患者，其间歇性T波过度感知频繁触发心室率稳定算法，并导致不适当的VVI起搏期。通过将最大灵敏度从0.3 mV降低到0.45 mV解决了该问题。植入测试显示，最大灵敏度为1.2 mV时对心室颤动有足够的感知。

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