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公开(公告)号:US07797036B2
公开(公告)日:2010-09-14
申请号:US11079744
申请日:2005-03-14
申请人: Yi Zhang , Scott A. Meyer , Jeffrey E. Stahmann , Carlos Alberto Ricci , Marina Brockway , Aaron R. McCabe , Yinghong Yu , Donald I. Hopper
发明人: Yi Zhang , Scott A. Meyer , Jeffrey E. Stahmann , Carlos Alberto Ricci , Marina Brockway , Aaron R. McCabe , Yinghong Yu , Donald I. Hopper
IPC分类号: A61B5/04
CPC分类号: A61N1/3702 , A61B5/0452 , A61B5/7203
摘要: Cardiac monitoring and/or stimulation methods and systems that provide one or more of monitoring, diagnosing, defibrillation, and pacing. Cardiac signal separation is employed to detect, monitor, track and/or trend ischemia using cardiac activation sequence information. Ischemia detection may involve sensing composite cardiac signals using implantable electrodes, and performing a signal separation that produces one or more cardiac activation signal vectors associated with one or more cardiac activation sequences. A change in the signal vector may be detected using subsequent separations. The change may be an elevation or depression of the ST segment of a cardiac cycle or other change indicative of myocardial ischemia, myocardial infarction, or other pathological change. The change may be used to predict, quantify, and/or qualify an event such as an arrhythmia, a myocardial infarction, or other pathologic change. Information associated with the vectors may be stored and used to track the vectors.
摘要翻译: 提供一种或多种监测,诊断,除颤和起搏的心脏监测和/或刺激方法和系统。 使用心脏信号分离来使用心脏激活序列信息来检测,监测,跟踪和/或趋势性缺血。 缺血检测可以涉及使用可植入电极感测复合心脏信号,并且执行产生与一个或多个心脏激活序列相关联的一个或多个心脏激活信号载体的信号分离。 可以使用后续分离来检测信号矢量的变化。 该变化可以是心脏周期的ST段的升高或抑制或指示心肌缺血,心肌梗死或其他病理变化的其它变化。 该变化可用于预测,量化和/或限定诸如心律失常,心肌梗死或其它病理变化的事件。 与矢量相关联的信息可以被存储并用于跟踪矢量。