Figure 1.
PCO2 before and after nasal HFV. Significant decrease in pCO2 after 2 h of nasal HFV (45 ± 9 torr) compared with before nasal HFV (50 ± 6 torr) (p = 0.011).
PCO2 before and after nasal HFV. Significant decrease in pCO2 after 2 h of nasal HFV (45 ± 9 torr) compared with before nasal HFV (50 ± 6 torr) (p = 0.011).