SYSTEM AND METHOD FOR AVOIDING UNDERSENSING OF VENTRICULAR FIBRILLATION
    82.
    发明申请
    SYSTEM AND METHOD FOR AVOIDING UNDERSENSING OF VENTRICULAR FIBRILLATION 有权
    用于避免心脏纤维化不全的系统和方法

    公开(公告)号:US20140276160A1

    公开(公告)日:2014-09-18

    申请号:US13833171

    申请日:2013-03-15

    Abstract: A medical device and associated method for detecting and treating tachyarrhythmias acquires a cardiac signal using electrodes coupled to a sensing module. Cardiac events are sensed from the cardiac signal and a processing module computes a first morphology metric for each sensed cardiac event occurring during a time segment of the cardiac signal. The first morphology metrics corresponding to an event originating in a ventricular chamber are counted. The first processing module computes a second morphology metric for the time segment of the cardiac signal in response to the count of the first morphology metrics meeting a threshold number of events. The time segment is classified as a shockable segment in response to the second morphology metric meeting a detection criterion.

    Abstract translation: 用于检测和治疗快速性心律失常的医疗装置和相关联的方法使用耦合到感测模块的电极获取心脏信号。 从心脏信号感测心脏事件,并且处理模块计算在心脏信号的时间段期间发生的每个感测到的心脏事件的第一形态度量。 计算对应于起始于心室的事件的第一形态学指标。 第一处理模块响应于满足阈值数量事件的第一形态学量度的计数,计算心脏信号的时间段的第二形态度量。 响应于符合检测标准的第二形态度量,该时间段被分类为可震击段。

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