Distribution of Inspired Gas and Pulmonary Diffusing Capacity at Rest and During Graded Exercise in Patients with Mitral Stenosis

Respiration ◽  
1971 ◽  
Vol 28 (3) ◽  
pp. 216-235 ◽  
Author(s):  
P. Jebavý ◽  
J. Widimský ◽  
V. Staněk
1963 ◽  
Vol 18 (3) ◽  
pp. 447-456 ◽  
Author(s):  
G. M. Turino ◽  
E. H. Bergofsky ◽  
R. M. Goldring ◽  
A. P. Fishman

The effect of graded exercise on the pulmonary diffusing capacity for both oxygen and carbon monoxide measured simultaneously was studied in healthy young adults by steady-state methods. Pulmonary diffusing capacity for oxygen increases progressively with increasing severity of exercise; it exceeds the DlCO at high levels of exercise by amounts greater than can be accounted for by the difference in diffusivity of the test gases. Diffusing capacity for carbon monoxide increases less than DlOO2 for comparable grades of exercise but no definite plateau value could be established. The supine or upright body position does not influence the values of either DlOO2 or DlCO during exercise. Diffusing capacity of the lung for oxygen does not limit the maximum levels of exercise which may be achieved by normal man. Submitted on August 6, 1962


CHEST Journal ◽  
2005 ◽  
Vol 128 (6) ◽  
pp. 3875-3880 ◽  
Author(s):  
Francesco Simeone ◽  
Jeffrey Wiese ◽  
Henry Glindmeyer ◽  
Joseph Lasky

CHEST Journal ◽  
1971 ◽  
Vol 59 (5) ◽  
pp. 33S ◽  
Author(s):  
W.F. Van Ganse ◽  
B.G. Ferris ◽  
John E. Cotes

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