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Simultaneous measurement of percent carboxyhemoglobin and functional oxygen saturation

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5 Author(s)
Lee, J.C.S. ; Microsensor Res. Lab., Washington Univ., Seattle, WA, USA ; Cheung, P.W. ; Marble, D.R. ; Kenny, M.A.
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To account for the effect of carboxyhemoglobin on pulse oximeters, the feasibility of simultaneously measuring the functional oxygen saturation and percent carboxyhemoglobin using the pulse oximetry technique was studied. A theoretical model was established, and an in-vitro experiment was carried out. Both the theoretical and experimental results show that the simultaneous measurement is feasible. It was found that the use of 630-nm light gives very good measurement accuracy

Published in:

Engineering in Medicine and Biology Society, 1989. Images of the Twenty-First Century., Proceedings of the Annual International Conference of the IEEE Engineering in

Date of Conference:

9-12 Nov 1989