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Apparatus and method for analyzing patient tolerance to a stimulation mode favoring a spontaneous atrioventricular conduction
Apparatus and method for analyzing patient tolerance to a stimulation mode favoring a spontaneous atrioventricular conduction
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机译:用于分析患者对有利于自发性房室传导的刺激模式的耐受性的设备和方法
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摘要
An implantable cardiac prosthesis device conducting an analysis of a patient tolerance to a pacing mode favoring the spontaneous atrioventricular conduction is disclosed. The device operates in a dual chamber (DDD or biventricular) mode and in a pacing mode favoring the spontaneous atrioventricular conduction such as an AAI mode (10) with a ventricular sensing or a mode with hysteresis of the atrioventricular delay. The device controls (10-18) the conditional switching from one mode to the other. The device comprises a hemodynamic sensor, including an endocardial acceleration sensor, derives a hemodynamic index representative of the hemodynamic tolerance of the patient to the spontaneous atrioventricular conduction. The device controls inhibiting or (20) forcing the conditional switching of the device to the DDD (or biventricular) mode according to the evolution of the hemodynamic index.
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