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Extracting arterial flow waveforms from pulse oximeter waveforms : apparatus

✍ Scribed by L. B. Cook

Publisher: John Wiley and Sons
Year: 2001
Tongue: English
Weight: 211 KB
Volume: 56
Category: Article
ISSN: 0003-2409
DOI: 10.1046/j.1365-2044.2001.01986.x

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✦ Synopsis

A method is described which allows an approximation to the arterial flow waveform to be derived from a pulse oximeter waveform. The observed pulse oximeter waveform is the sum of arterial inflow and venous outflow. These components are separated mathematically. Subtraction of the venous outflow reveals the underlying arterial flow waveform. The assumptions on which the method is based are stated explicitly and discussed.

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