A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 5/04 (2006.01) G06F 17/00 (2006.01)
Patent
CA 2120691
Method for determining a dominant heart rate from a series of beat triggers representative of a mixed series of normal heart beats and non- arrhythmic actives, with the beat triggers being determined at a specific sampling rate defining sample intervals, comprising the steps of framing a window to include a portion of the series of beat triggers and to be beat-aligned with a first beat trigger and a last beat trigger, the window thereby defining a plurality of trigger intervals for respective adjacent beat triggers, with each trigger interval containing a plurality of the sample intervals existing between the respective adjacent beat triggers; summing the windowed sample intervals; for each of the trigger intervals, computing a weight factor based upon the ratio of the summed windowed sample intervals to the number of sample intervals within that trigger interval; grouping the weight factors; computing the percentage of the window that each group of weight factors constitutes to determine the dominant group containing the dominant beat triggers and analyzing the dominant beat triggers within the dominant group to determine the dominant heart rate.
Browne David W.
Critikon Inc.
Critikon Company L.l.c.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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