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Mechanical Ventricular Pacing Non-Capture Detection for a Refractory Period Stimulation (RPS) Pacing Therapy Using at Least One Lead-Based Accelerometer
Mechanical Ventricular Pacing Non-Capture Detection for a Refractory Period Stimulation (RPS) Pacing Therapy Using at Least One Lead-Based Accelerometer
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机译:机械心室起搏非捕获检测使用至少一个基于铅的加速度计进行的不应期起搏(RPS)起搏治疗
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摘要
A system and method for monitoring at least one chamber of a heart (e.g., a left ventricular chamber) during delivery of a refractory period stimulation (RPS) therapy to determine if the desired non-capture (i.e., lack of ventricular mechanical capture due to refractory period stimulation) occurs. The system includes an implantable or external cardiac stimulation device in association with a set of leads such as epicardial, endocardial, and/or coronary sinus leads equipped with motion sensor(s). The device receives and processes acceleration sensor signals to determine a signal characteristic indicative of chamber capture due to pacing stimulus delivery, non-capture due to RPS therapy delivery, and/or contractile status based on the qualities of evoked response to pacing stimulation.
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