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Quantitative heart testing

  • US 9,700,226 B2
  • Filed: 09/20/2016
  • Issued: 07/11/2017
  • Est. Priority Date: 09/30/2015
  • Status: Active Grant
First Claim
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1. One or more non-transitory computer-readable media storing instructions for processing one or more electrocardiograms associated with one or more respective leads, the instructions, when executed by one or more computer processors, causing the one or more computer processors to perform operations comprising:

  • converting the one or more electrocardiograms by time-frequency transform into one or more respective two-dimensional time-frequency maps;

    identifying, within the one or more electrocardiograms, one or more points in time associated with a T wave;

    determining, for at least one of the one or more time-frequency maps, one or more repolarization measures corresponding to extrema across frequency of the respective time-frequency map at the one or more points in time associated with the T wave; and

    outputting at least one repolarization index based on the one or more repolarization measures.

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