Effect of pulmonary artery blood pressure gas exchange in functionally heterogeneous lungs

D'iachenko, A.I.

Biulleten' Eksperimental'noi Biologii i Meditsiny 91(5): 564-566

1981


ISSN/ISBN: 0365-9615
PMID: 6789909
Document Number: 178591
Effect of the gravity-dependent nonuniformity of the ventilation-perfusion ratios on gas exchange in the human lungs has been analyzed. Quantitative relationships have been obtained between alveolar-arterial oxygen tension difference, arterial-alveolar carbon dioxide tension difference and pulmonary arterial pressure, for various compositions of mixed venous blood and various mean ventilation-perfusion ratios. The data obtained may be used for the measurement of pulmonary arterial pressure.

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