Systems and methods for determining respiration information using historical distribution
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United States of America Patent
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Jul 4, 2017
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app pub date -
Nov 30, 2011
filing date -
Nov 30, 2011
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Abstract
A patient monitoring system may generate an autocorrelation sequence for a physiological signal such as a photoplethysmograph signal. A series of peak values may be identified for the autocorrelation sequence. The peak values may be modified based on a historical distribution of a physiological parameter. A physiological parameter such as respiration rate may be determined based on the modified peak values.
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