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Detection of myocardial ischemia from the time sequence of implanted sensor measurements

  • US 8,000,780 B2
  • Filed: 06/27/2006
  • Issued: 08/16/2011
  • Est. Priority Date: 06/27/2006
  • Status: Active Grant
First Claim
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1. A system comprising:

  • a plurality of sensors, each sensor operable to produce an electrical sensor signal related to physiologic cardiovascular events of a subject, and wherein at least one of the sensors is capable of being implanted into the subject; and

    a processor in communication with the implantable sensors, wherein the processor comprises;

    an event sequence detector to permit real-time detection of a time-wise sequential cascade of physiologic cardiovascular events related to myocardial ischemia of the subject and a time difference between detected events, wherein the time-wise cascade includes at least first, second, and third physiologic cardiovascular events; and

    a decision module to declare whether an ischemic event occurred using a determined order of occurrence of, and the time difference between occurrence of, the first, second, and third physiologic cardiovascular events; and

    a response circuit, coupled to the decision module, the response circuit operable to provide a specified response if the ischemic event is declared.

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