Table 1 Resting ventilatory, cardiovascular, and hematologic responses in hypobaric hypoxia (HH) and normobaric hypoxia (NH)
From: Cycling performance decrement is greater in hypobaric versus normobaric hypoxia
Group | Condition | VE (BTPS) (l · min -1) | PETO 2(mmHg) | PETCO 2(mmHg) | SaO 2(%) | HR (bpm) | MAP (mmHg) | Hb (mg/dl) | Hct (%) |
|---|---|---|---|---|---|---|---|---|---|
HH (n = 6) | SL | 11.1 ± 2.2 | 105.8 ± 5.8 | 39.4 ± 3.3 | 97.2 ± 1.4 | 68.0 ± 9.8 | 85.5 ± 4.1 | 15.9 ± 0.7 | 46.7 ± 1.9 |
HYP | 13.0 ± 3.1 | 47.2 ± 2.4* | 40.1 ± 4.3 | 79.6 ± 4.2* | 71.8 ± 8.3 | 86.8 ± 6.5 | 15.5 ± 0.7 | 45.6 ± 2.2 | |
NH (n = 6) | SL | 10.8 ± 1.3 | 102.8 ± 2.3 | 39.0 ± 1.9 | 98.0 ± 0.9 | 67.7 ± 3.0 | 86.5 ± 6.2 | 15.7 ± 1.1 | 46.1 ± 3.3 |
HYP | 11.1 ± 1.6 | 46.6 ± 2.8* | 36.8 ± 1.6 | 78.5 ± 3.4* | 70.7 ± 2.6 | 84.2 ± 2.9 | 15.2 ± 0.6 | 44.7 ± 1.9 |