NASA NTRS · 19680000220
New electrical plethysmograph monitors cardiac output
Abstract
Four-electrode impedance plethysmograph measures ventricular stroke volume of cardiac output of humans. The instrument is automatic, operates with only one recording channel, and minimizes patient discomfort.
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Kubicek, W. B., Patterson, R. P., Witsoe, D. A.. 1968-06-01. New electrical plethysmograph monitors cardiac output. https://ntrs.nasa.gov/citations/19680000220
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