Nuisance alarm reductions in a physiological monitor
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United States of America Patent
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Mar 19, 2013
Grant Date -
Feb 8, 2007
app pub date -
Oct 16, 2006
filing date -
Jul 19, 2001
priority date (Note) -
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status (Latency Note)
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Abstract
A method and apparatus for controlling alarms in a medical diagnostic apparatus where an alarm is generated when a measured value for a physiological parameter is outside a specified range. The method continuously calculates a baseline value, and establishes dynamic thresholds that are related to and continuously track the baseline value. The method determines the amount of time the measured value is past the dynamic threshold, and the amount by which the threshold is passed. Alarms are triggered based upon a combination of the amount of time and the amount by which the threshold is passed. Preferably, the combination is an integral or some function of an integral.
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