Residual-Based Monitoring of Human Health
First Claim
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1. A method for monitoring the health status of a human, comprising the steps of:
- obtaining an observation of multiple vital signs from the human;
providing a kernel-based model characteristic of the behavior of at least some of said multiple vital signs under known health conditions;
generating an estimate with said kernel-based model of at least one of said multiple vital signs, based on said observation;
comparing said estimate to the corresponding measured value of the at least one of said multiple vital signs in said observation; and
making a determination of the health status of the human from said comparison.
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Abstract
Improved human health monitoring is provided in the context of sensor measurements of typical vital signs and other biological parameters, by a system and method using an empirical model of the parameters and disposed to estimate values of the parameters in response to actual measurements. Residuals resulting from the difference between the estimates and actual measurements are analyzed for robust indications of incipient health issues. Residual analysis is both more robust and more sensitive than conventional univariate range checking on vital signs.
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Citations
17 Claims
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1. A method for monitoring the health status of a human, comprising the steps of:
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obtaining an observation of multiple vital signs from the human;
providing a kernel-based model characteristic of the behavior of at least some of said multiple vital signs under known health conditions;
generating an estimate with said kernel-based model of at least one of said multiple vital signs, based on said observation;
comparing said estimate to the corresponding measured value of the at least one of said multiple vital signs in said observation; and
making a determination of the health status of the human from said comparison. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 14)
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11. A computer software system for monitoring the health status of a human, comprising:
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a data feed for providing observations of multiple vital signs from the human being monitored;
a kernel-based modeling software module characteristic of the behavior of at least some of said multiple vital signs under known health conditions, for receiving a said observation from said data feed, and generating an estimate of at least one of said multiple vital signs, based on said received observation; and
a residual analysis software module disposed to compare said estimate to the corresponding measured value of the at least one of said multiple vital signs in said received observation to generate a residual, and make a determination of the health status of the human therefrom. - View Dependent Claims (12, 13, 15, 16, 17)
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Specification