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Identifying seizures using heart rate decrease

  • US 8,725,239 B2
  • Filed: 04/25/2011
  • Issued: 05/13/2014
  • Est. Priority Date: 04/25/2011
  • Status: Active Grant
First Claim
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1. A method for detecting a seizure event, the method comprising:

  • receiving heart beat data versus time for a patient;

    detecting an increase in a heart rate of the patient based on the heart rate data from a baseline heart rate to an elevated heart rate;

    detecting a decrease in heart rate from the elevated heart rate;

    for a time interval occurring during said decrease in heart rate, determining at least one of a) a rate of change of the decrease in heart rate and b) a rate of change in a rate of decrease in heart rate; and

    determining occurrence of a seizure event in response to the rate of change of the decrease in heart rate satisfying a threshold rate.

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