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Methods for detecting atrial tachyarrhythmia in implantable devices without dedicated atrial sensing
Methods for detecting atrial tachyarrhythmia in implantable devices without dedicated atrial sensing
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机译:在没有专用心房感应的情况下在可植入设备中检测房性心律失常的方法
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摘要
An apparatus comprises an implantable cardiac signal sensing circuit configured to provide a sensed depolarization signal from a ventricle and a processor. The processor includes a signal analyzer module and a tachyarrhythmia discrimination module. The signal analyzer module is configured to determine a measure of stability of ventricular (V-V) depolarization intervals using the depolarization signal, and determine a rate of change of the measure of stability. The tachyarrhythmia discrimination module is configured to detect an episode of tachyarrhythmia using the depolarization signal, determine whether the detected tachyarrhythmia is indicative of atrial tachyarrhythmia using the determined rate of change, and provide the determination to a user or process.
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