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Correction for cardiac output calculations by the nitrous oxide technique. 1976

J A Wagner, and J F Bedi, and S M Horvath

Calculations of cardiac output using the N2O technique as described by Becklake et. al. (J. Appl. Physiol. 17: 579, 1962) result in spurious values when barometric pressure or body temperature deviates from 760 Torr or 37.0 degrees C, respectively. Nitrous oxide (N2O) uptake (VN2O) must be corrected to standard pressure, dry at 37.0 degrees C.

UI MeSH Term Description Entries
D008954 Models, Biological Theoretical representations that simulate the behavior or activity of biological processes or diseases. For disease models in living animals, DISEASE MODELS, ANIMAL is available. Biological models include the use of mathematical equations, computers, and other electronic equipment. Biological Model,Biological Models,Model, Biological,Models, Biologic,Biologic Model,Biologic Models,Model, Biologic
D009609 Nitrous Oxide Nitrogen oxide (N2O). A colorless, odorless gas that is used as an anesthetic and analgesic. High concentrations cause a narcotic effect and may replace oxygen, causing death by asphyxia. It is also used as a food aerosol in the preparation of whipping cream. Laughing Gas,Nitrogen Protoxide,Gas, Laughing,Oxide, Nitrous
D002302 Cardiac Output The volume of BLOOD passing through the HEART per unit of time. It is usually expressed as liters (volume) per minute so as not to be confused with STROKE VOLUME (volume per beat). Cardiac Outputs,Output, Cardiac,Outputs, Cardiac

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