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Detection and grouping analysis of cardiac cycles

  • US 5,311,867 A
  • Filed: 01/04/1993
  • Issued: 05/17/1994
  • Est. Priority Date: 01/04/1993
  • Status: Expired due to Fees
First Claim
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1. Apparatus for measuring the physiology of the heart, comprising:

  • means for detecting a series of cardiac cycles of a subject;

    means for storing the patterns of the series of cardiac cycles detected by the means for detecting;

    means for performing correlation analysis of cardiac cycles in the series of cardiac cycles; and

    means for classifying groupings of cardiac cycles, the means for classifying comprisingmeans for identifying a first template cardiac cycle,means for forming a first selected group of cardiac cycles from among those of the series of cardiac cycles having at least a first preselected degree of correlation with the first template cardiac cycle, and leaving a first ungrouped group of cardiac cycles having a correlation less than the first preselected degree of correlation,means for selecting a second template cardiac cycle from the first ungrouped group of cardiac cycles, andmeans for forming a second group of cardiac cycles from among the first ungrouped group of cardiac cycles having at least a second preselected degree of correlation with the second template cardiac cycle, and leaving a second ungrouped group of cardiac cycles having a correlation less than the second preselected degree of correlation.

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