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US08554314B2 Device and method to detect the severity of ischemia and heart attack risk 有权
检测缺血和心脏病发作风险严重程度的装置和方法

  • Patent Title: Device and method to detect the severity of ischemia and heart attack risk
  • Patent Title (中): 检测缺血和心脏病发作风险严重程度的装置和方法
  • Application No.: US12263383
    Application Date: 2008-10-31
  • Publication No.: US08554314B2
    Publication Date: 2013-10-08
  • Inventor: Xiaohong Zhou
  • Applicant: Xiaohong Zhou
  • Applicant Address: US MN Minneapolis
  • Assignee: Medtronic, Inc.
  • Current Assignee: Medtronic, Inc.
  • Current Assignee Address: US MN Minneapolis
  • Agent Stephen W. Bauer; Michael J. Ostrom
  • Main IPC: A61B5/04
  • IPC: A61B5/04
Device and method to detect the severity of ischemia and heart attack risk
Abstract:
A device and method of detecting the severity of myocardial ischemia and heart attack risk is provided. The method includes obtaining an electrogram signal, determining T-wave measurements based on the electrogram signal, and determining ST segment measurements based on the electrogram signal. The method also includes identifying T-wave alternans based on the T-wave measurements and identifying ST segment changes based on the ST segment measurements. The method further includes correlating the T-wave alternans with the ST segment changes in order to detect a severity of ischemia.
Abstract(Chinese):

提供了一种检测心肌缺血严重程度和心脏病发作风险的方法。 该方法包括获得电描记图信号，基于电描记图信号确定T波测量，以及基于电描记图信号确定ST段测量。 该方法还包括基于T波测量识别T波交替，并基于ST段测量识别ST段变化。 该方法还包括将T波交替与ST段变化相关联，以便检测局部缺血的严重程度。

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