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Wearable physiological monitoring and notification system based on real-time heart rate variability analysis

  • US 10,022,057 B1
  • Filed: 05/11/2017
  • Issued: 07/17/2018
  • Est. Priority Date: 06/19/2015
  • Status: Active Grant
First Claim
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1. A method for real-time detection, analysis, and application of heart rate variability (HRV) using a wearable device, the method comprising:

  • (a) detecting a plurality of consecutive heartbeat related waves using one or more electrodes integrated within the wearable device (200);

    (b) detecting a specific wave characteristic of each heartbeat related wave, of the plurality of consecutive heartbeat related waves (201);

    (c) triggering an event when each specific wave characteristic crosses a trigger point (202), wherein the event is based on one or more inputs unrelated to the plurality of consecutive heartbeat related waves,(d) recording a time value for each event triggered (203);

    (e) determining and recording an interval for each time value to generate a temporal interval array (204);

    (f) analyzing the plurality of consecutive heart beat related waves, each time value, and each interval for suitability of use for HRV related applications, said analysis comprises;

    (i) detecting a presence of one or more ectopic beats from the plurality of consecutive heartbeat related waves (205);

    (ii) correcting each time value and interval associated with each ectopic beat (206);

    (iii) determining the suitability for application of each time value and each interval for a set of predetermined or dynamically set conditions (207); and

    (iv) determining one or more HRV measurements based on data in the temporal interval array (208); and

    wherein the one or more HRV measurements are combined with one or more additional predetermined or dynamically set input to determine when an alert is sent to one or more pre-determined parties via a real-time notification (209).

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