Systems and methods for processing physiological signals
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United States of America Patent
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Apr 15, 1986
Issued Date -
N/A
app pub date -
Aug 3, 1984
filing date -
Dec 21, 1981
priority date (Note) -
Expired
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Abstract
Systems and methods are disclosd for detecting the recurrence of physiological functions. The disclosed systems and methods are especially adapted for detecting the recurrence of a patient's respiration from a signal representative of changes in the patient's thoracic volume, despite the presence of cardiovascular artifact in the signal. A cardiovascular artifact filter suppresses the artifacts in response to a signal, generated by a cardiotachometer, which varies as and is proportional to the fundamental frequency of each artifact.
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