Application of a mass spectrometer as a capnograph |
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| Authors: | V. A. Elokhin T. D. Ershov A. I. Levshankov V. I. Nikolaev A. Yu. Elizarov |
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| Affiliation: | 1.ZAO Scientific Devices,St. Petersburg,Russia;2.Kirov Military Medical Academy,St. Petersburg,Russia;3.Ioffe Physical-Technical Institute,Russian Academy of Sciences,St. Petersburg,Russia |
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| Abstract: | The feasibility of using a mass spectrometer for monitoring the carbon dioxide and inhalational anesthetic concentrations in the breathing circuit of an apparatus for inhalational anesthesia are demonstrated. Mass-spectrometric data for the CO2 and inhalational anesthetic concentrations are compared with related optical data. The advantages of the mass spectrometer as a capnograph over the optical spectrometer are indicated. The variation of the inhalational anesthetic content in expired air is shown to depend on the muscle relaxation efficiency. |
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