Quantifying changes in size of arrhythmic photoplethysmography waveforms during a Valsalva maneuver for assessing cardiac filling pressure.
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DOI: 10.1088/1361-6579/abb790
Abstract: OBJECTIVE We previously showed that the change in amplitude of a finger photoplethysmography waveform during the Valsalva maneuver reflects cardiac filling pressure. However, the automated determination of peaks and valleys to calculate amplitude is limited… read more here.
Keywords: size; valsalva maneuver; filling pressure; cardiac filling ... See more keywords