Measurement of metabolic gas exchange during anaesthesia. A method using mass spectrometry

Heneghan, C.P.; Gillbe, C.E.; Branthwaite, M.A.

British Journal of Anaesthesia 53(1): 73-76

1981


ISSN/ISBN: 0007-0912
PMID: 6779845
Document Number: 175928
A method is described for measuring metabolic gas exchange during general anesthesia using a respiratory mass spectrometer, a mixing box and 2 inert tracer gases. Measurement of inspired and expired minute volume is possible to within 2%; O2 consumption, CO2 output and respiratory quotient can be measured to within 10%.

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