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System and method for analyzing selected signal components in electrocardiographic signals, particularly late potentials in electrocardiograms

  • US 5,211,179 A
  • Filed: 07/13/1990
  • Issued: 05/18/1993
  • Est. Priority Date: 07/14/1989
  • Status: Expired due to Fees
First Claim
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1. A system for analyzing selected signal components in physiological measurement signals, comprising:

  • means for selecting a portion of a physiological measurement signal to be analyzed;

    means for selecting a plurality of substantially overlapping mutually offset time segments of said portion;

    means for deriving a plurality of low order frequency functions representing the low-band spectral components in each respective time segment;

    means for deriving a plurality of high order frequency functions representing the broadband spectral components in each respective time segment;

    means for deriving a plurality of difference frequency functions by subtracting said low order frequency functions from respective high order frequency functions; and

    means for comparing said difference frequency functions, the comparison indicating detailed analysis of selected signal components in physiological measurement signals.

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