Title: Gas Exchange during Exercise in Healthy People: I. the Physiological Dead-Space Volume
Abstract: 1. Physiological dead-space volume (V D) was measured in twenty-four healthy men and women aged from 20 to 71 years, at rest and at two rates of work on a treadmill, whilst breathing air and breathing oxygen. 2. The effect of correction of arterial carbon dioxide tension (Pa,CO2) to pulmonary capillary temperature on the resulting value for V D was investigated. We find that the effect is substantial and that a correction should be made. 3. Equations have been derived for the prediction of normal V D during exercise. The best prediction was given by a regression on height, age, carbon dioxide output, ventilation and respiratory frequency, with an upper 95% confidence limit of +81 ml.
Publication Year: 1976
Publication Date: 1976-10-01
Language: en
Type: article
Indexed In: ['crossref', 'pubmed']
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Cited By Count: 9
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