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    • 8. 发明申请
    • Staged life-threatening arrhythmia detection algorithm for minimizing power consumption
    • 分阶段危及生命的心律失常检测算法,以最大限度地降低功耗
    • US20090105602A1
    • 2009-04-23
    • US10598323
    • 2005-02-11
    • Stacy GehmanThomas Lyster
    • Stacy GehmanThomas Lyster
    • A61B5/0464A61B5/046
    • G16H15/00G16H40/63
    • A two-stage digital algorithm uses a highly sensitive low power digital first stage to detect one or more alarm conditions, and one or more complex digital subsequent stages that identify the detected alarm condition with more specificity. The one or more complex digital subsequent stages are not activated, and consume no power, until an alarm condition is sensed by the low power consumption digital first stage. Given that the second stage will process the data more rigorously, the low power first stage can be set to be more sensitive and generate what would otherwise be excessive alarms, which are ultimately filtered out by the subsequent stages. By staging the digital analysis algorithms, the present invention achieves high sensitivity for alarm conditions with low computational throughput and low power consumption, and achieves high specificity with more computationally intensive algorithms that only run occasionally.
    • 两级数字算法使用高灵敏度的低功率数字第一级来检测一个或多个报警条件,以及一个或多个复杂的数字后续阶段,以更具体的特征识别检测到的报警状况。 一个或多个复杂的数字后续级未被激活,并且在低功耗数字第一级感测到报警条件之前不消耗电力。 鉴于第二阶段将更严格地处理数据,低功率第一阶段可以设置为更敏感,并产生过多的报警,这些报警最终被后续阶段过滤掉。 通过分析数字分析算法,本发明实现了具有低计算吞吐量和低功耗的报警条件的高灵敏度,并且通过更少的计算密集型算法实现了高特异性,这些算法只能偶尔运行。