30. PREDICTION FORMULAS AND SOME NORMAL VALUES IN PULMONARY PHYSIOLOGY: MAN (Concluded) 



Part II: BASAL RESPIRATORY FUNCTIONS (Concluded) 



/4/ Decreases with age. /7/ Increases during exercise. /8/ Percentages of total function apply to oxygen uptake 

 and ventilation at rest and during exercise, to vital capacity and residual volume. 



Contributor : Gaensler, E. A. 



References : [ l] Baldwin, E. deF., Cournand, A., and Richards. D. W., Jr., Medicine 27:243, 1948. [2] Matheson, 

 H. W.. and Gray, J. S.. J. Clin. Invest. 29:688, 1950. [3] Aub, J. C, and DuBois, E. F., Arch. Int. M. J^:823, 

 1917. [4] Anthony. A. J.. Deut. Arch. klin. Med. [6^7:129. 1930. [5] Knipping, H. W., and Moncrieff. A., Quart. 



Deut. 

 J. M. 1^:17, 1932. [6] Robinson, S. 

 82:133, 1933. [8] Gaensler, E. A., 



Arbeitsphysiologie 1^:3, 1938. [7] Knipping, H. W., Beitr. Klin. Tuberk. 

 et al. J. Laborat. Clin. M. 39:417; 40:223, 558, 1952. 



Part 111: EXERCISE AND MAXIMAL VENTILATION; INTRAPULMONARY MIXING 

 A = adults; BSA = body surface area. Age is in years. 



in Usually expressed at BTPS (cf Page 1). Ill Obtained by open-circuit technique. /3/ Decreases with age. 

 /4/ Obtained by closed- circuit technique. /5/ Standard walk on level at 180 ft/rain, expired air collected from 

 second to fourth minute. /6/ Increases with age. PI After O2 breathing, at rest for 7 minutes. 



Contributor: Gaensler, E. A. 



References : [ l] Wright, G. W., "Methods in Medical Research. " 2:212, Chicago: The Year Book Publishers, Inc 

 1950. [2] Baldwin, E. deF., Cournand. A., and Richards, D. W., Jr., Medicine 27:243, 1948. [3] Patton, W. E., 

 Watson, T. R., Jr., and Gaensler, E. A., Surg. Gyn. Obst. 95:477, 1952. [4] Warring, F. C, Jr., Am. Rev. 

 Tuberc. 51^:432, 1945. [5] Gaensler, E. A., ibid 62:17, 1950. [6] Gaubatz, E.. Beitr. Klin. Tuberk. 91:201 , 1938 

 [7] Matheson, H. W., Spies, S. N., Gray, J. S., and Barnum. D. R., J. CUn. Invest. 29:682, 1950. 

 A., Baldwin, E. deF., Darling, R. C. and Richards, D. W., Jr., J. Clin. Invest. 20:681, 1941. [9] 

 Frank, N. R., Patton, W. E., Devney, R. E. , and Smith, S. S., unpublished. 



[ sT" Cournand, 

 Gaensler, E. A. 



29 



