107, 



EFFECT OF BREATmNG N^ ON RESPIRATORY 

 RATE, TIDAL AND MINUTE VOLUMES: MAN 



/I/ Breathing was continuous. /2/ "Experimental" 

 refers to any pulmonary ventilation after the first 

 breath: "control" refers to volume of the first breath. 



Contributor : Swann, H. G. 



Reference : Lutz, B. R., and Schneider, E. C, Am. 

 J. Physiol. 50:336, 1920. 



108. EFFECT OF BREATHING N^ ON RESPIRATORY 

 RATE AND MINUTE VOLUME: DOG 



HI "Experimental" refers to ventilation after exposure to 

 N^; "control" refers to breathing during the first minute 

 before exposure to N^. /2/ Minute before exposure to N2. 



Contributor: Swann, H. G. 



Reference : Swann, H. G., Engineering Division, ATSC, 

 USAAF, Report No. TSEAL-b96-79B, p 31, Oct., 1945. 



109. PULMONARY FUNCTION: RESIDENTS AND NEWCOMERS AT HIGH ALTITUDES 



Altitude = 13, 090 ft (478 mm Hg), except for Line 1. Values in parentheses are ranges, 

 range (cf Introduction). 



estimate "b" of the 95% 



Residence 



Respiratory 

 Rate 



breaths/min 



Minute Volume 

 L/min 



Alveolar Air 



pOj, mm Hg 



pCO^i mm Hg 



Respiratory 

 Quotient 



O2 Consumption 

 L/min 



(A) 



(B) 



(C) 



(D) 



(E) 



(F) 



(G) 



Sea level 

 2-8 dal 

 14-54 dal 

 6-23 yr^ 



12.1 

 16.8 

 16.1 

 13.6 



6.9(6.1-7.7) 

 9.6(8.8-10.4) 

 9.2(8.4-10.0) 

 7.5(6.9-8.1) 



97.9(93.5-102.3) 

 50.4(48.4-52.4) 

 53.6(51.6-55.6) 

 48.1(44.6-51.6) 



40.8(38.6-43.0) 

 32.1(31.4-32.8) 

 31.1(28.8-33.4) 

 34.7(33.0-36.4) 



0.864(0.842-0.886) 



0.826(0. 782- 0.870); 257. 2(230. 0-284. 4) 

 0.831(0.801-0.861)1246.8(2 39.0-254.6) 

 0.847(0. 821 -0.873) I 243. 6(229. 8- 257. 4) 



HI Sea level residents tested during brief stay at altitude. /2/ Residents born in the Andean altiplano and living at 

 13, 090 ft for 6 yr or more. 



Contributor : Swann, H. G. 



Reference : Chiodi. H., J. Appl. Physiol. J_0:82, 1957. 



110. BLOOD GASES: RESIDENTS AND NEWCOMERS AT HIGH ALTITUDES 

 Values in parentheses are ranges, estimate "b" of the 95% range (cf Introduction). — 



Permanent Residents 



HI U. S. standard atmosphere. /2/ Combined O2 only; does not include physically dissolved O^. /3/ Up to 16 da. 



/4/ Derived by interpolation. 



Contributors : (a) Adler, H. F., and Luft, U. C, (b) Penrod, K. E.. (c) Swann. H. G. 



References : [ l] National Research Council CAM Report, "Handbook of Respiratory Data in Aviation, " Charts A- 



B-1, B-3, prepared from data of the Aero-Medical Laboratory, Wright Field, and The Johnson Foundation, 



Washington. D. C, 1944. [2] Hurtado, A., and Aste-Salazar, H., J. Appl. Physiol. J_: 304, 1948. [3] Dill, D. B. 



Christensen, E. H., and Edwards, H. T., Am. J. Physiol. 115 :530, 1936. [4] Becker- Freysend, H., Loeschcke, 



H. H., Luft, U. C, and Opitz, E., Luftfahrtmedizin 7:160, 1942. 



151 



