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Physiological event detection systems and methods

  • US 8,257,271 B2
  • Filed: 05/10/2010
  • Issued: 09/04/2012
  • Est. Priority Date: 03/13/2006
  • Status: Active Grant
First Claim
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1. A non-transitory device readable medium, comprising instructions that when performed by the device, cause the device to perform acts comprising:

  • forming a distribution of values of a first physiological parameter using the first physiological parameter and a second physiological parameter measured with one or more physiological sensors of a medical device;

    receiving a specified false alarm rate;

    computing an event detection threshold with a processor of the medical device, the event detection threshold is based on the specified false alarm rate and the distribution of values of the first physiological parameter, the processor changing the event detection threshold according to a change in the distribution of values;

    obtaining a measurement of the first physiological parameter with one or more of the physiological sensors of the medical device;

    comparing the measurement of the first physiological parameter to the event detection threshold; and

    generating an indication representative of a detected event using the comparison.

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