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Sepsis monitor

  • US 10,226,576 B2
  • Filed: 02/27/2014
  • Issued: 03/12/2019
  • Est. Priority Date: 05/15/2006
  • Status: Active Grant
First Claim
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1. A patient monitoring method for non-invasively determining whether a patient is experiencing a potential sepsis condition, said method comprising:

  • receiving a plurality of noninvasively generated sensor signals responsive to physiological parameters indicative of an onset of a sepsis condition in said patient, at least one of said sensor signals responsive to the output of a noninvasive optical sensor, said output responsive to attenuation of light by body tissue of said patient at a measurement site;

    electronically computing with a signal processor measurements for said physiological parameters from the sensor signals, said physiological parameters including at least carboxyhemoglobin, methemoglobin, and blood pressure;

    electronically applying with said signal processor a plurality of predetermined rules to the physiological parameters to determine an onset of a sepsis condition, said plurality of predetermined rules including evaluating relationships between trends of each parameter in said physiological parameters; and

    indicating to an observer the potential existence of the sepsis condition responsive to said applying said rules.

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