From: Effect of acute hypoxia on respiratory muscle fatigue in healthy humans
 | Normoxia | Hypoxia | Hyperoxia |
---|---|---|---|
(l min-1) | 159.3 (15.6) | 158.1 (15.6) | 159.5 (15.1) |
fR (cycles·min-1) | 54.2 (4.3) | 54.2 (4.9) | 53.7 (4.1) |
VT (l) | 2.95 (0.26) | 2.93 (0.30) | 2.98 (0.25) |
Ti/Tt | 0.48 (0.03) | 0.49 (0.03) | 0.49 (0.04) |
PET CO2 (mmHg) | 37.0 (2.1) | 36.8 (1.7) | 35.9 (2.3) |
SpO2 (%) | 98.4 (0.9) | 79.3 (1.9) *** | 98.9 (0.7) |
PaO2 (mmHg) (n = 6) | 123.7 (1.8) | 46.0 (0.8) *** | 347.9 (29.0) ### |
PaCO2 (mmHg) (n = 6) | 37.1 (1.2) | 36.7 (1.1) | 37.5 (0.8) |
pH (n = 6) | 7.42 (0.02) | 7.42 (0.01) | 7.40 (0.03) |
[La] (mmol·l-1) (n = 6) | 1.6 (0.4) | 2.1 (0.7) + | 1.3 (0.3) |
HR (bpm) | 98 (23) | 99 (23) + | 86 (16) |
RPE (points) | 6.0 (0.9) | 5.8 (1.2) | 5.2 (0.6) |