Method and system for extracting cardiac parameters from plethysmographic signals
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United States of America Patent
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Oct 20, 2009
Grant Date -
Feb 16, 2006
app pub date -
Jul 8, 2004
filing date -
Mar 26, 2002
priority date (Note) -
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Abstract
A method and system for extracting cardiac parameters from a plethysmographic signal is described wherein the plethysmographic signal is passed through a first filter to remove non-cardiac components of the signal. A second filter averages a plurality of cardiac cycles and cardiac parameters are extracted from the averaged cardiac signal.
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