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Respiratory gas exchange using a triaxial alveolar gas diagram.
  1. J F Fuster,
  2. T Pages,
  3. L Palacios
  1. Departamento de Bioquímica y Fisiología, Universidad de Barcelona, Spain.


    A triaxial alveolar gas diagram to depict fractional concentration of oxygen, carbon dioxide and nitrogen is described, in which the R = 1 line is always implicit. Although it is not claimed that this representation leads to new insights into respiratory physiology, a method of plotting on a triaxial coordinate system has been found to be well suited to many applications when a direct display of fractional nitrogen concentration is required.

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