METHOD AND APPARATUS FOR ATRIAL ARRHYTHMIA EPISODE DETECTION
    20.
    发明申请
    METHOD AND APPARATUS FOR ATRIAL ARRHYTHMIA EPISODE DETECTION 有权
    ATRIAL ARRHYTHMIA EPISODE检测方法与装置

    公开(公告)号:US20160235992A1

    公开(公告)日:2016-08-18

    申请号:US14695111

    申请日:2015-04-24

    Abstract: A method and implantable medical device for determining an atrial arrhythmia event that includes sensing a cardiac signal, determining an atrial arrhythmia score for identifying the arrhythmia event in response to the sensed cardiac signal, determining a sensing window in response to the sensed cardiac signal, the sensing window having a first portion and a second portion, determining signal characteristics of the sensed cardiac signal within the first portion and within the second portion, determining whether the sensed cardiac signal within the first portion and within the second portion corresponds to a P-wave in response to the determined signal characteristics, determining whether a signal to noise ratio of the sensed cardiac signal within the first portion and the second portion of the sensing window is satisfied, determining whether to update the arrhythmia score in response to the determined P-wave and the determined signal to noise ratio, and determining whether to delivery an arrhythmia therapy in response to the updated arrhythmia score.

    Abstract translation: 一种用于确定房性心律失常事件的方法和可植入医疗装置,包括感测心脏信号,确定心房心律失常评分以响应于所感测到的心脏信号来识别心律失常事件,响应于感测的心脏信号确定感测窗口, 检测窗口具有第一部分和第二部分,确定第一部分内部和第二部分内感测到的心脏信号的信号特征,确定第一部分内部和第二部分内感测的心脏信号是否对应于P波 响应于确定的信号特性,确定是否满足感测窗口的第一部分和第二部分内感测到的心脏信号的信噪比,响应于所确定的P波来确定是否更新心律失常评分 并确定信噪比,并确定是否发送 响应于更新的心律失常评分的心律失常治疗。

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