Table 2. Lung function and ventilation parameters
SD during study period.
Stage | I | II | III | IV | V | VI |
Time period, min | 0–15 | 15–20 | 20–35 | 35–40 | 40–55 | 55–60 |
Peep, cmH2O | 0 | 5 | 0 | 5 | 0 | 5 |
FI o 2, % | 21 | 21 | 100 | 100 | 21 | 21 |
V![]() |
10.1![]() |
9.9![]() |
10.3![]() |
10.0![]() |
9.9![]() |
9.9![]() |
P![]() |
21![]() |
23![]() |
20![]() |
23![]() |
20![]() |
23![]() |
P![]() |
16![]() |
20![]() |
15![]() |
19![]() |
16![]() |
20![]() |
Crs, ml/cmH2O | 26.4![]() |
27.0![]() |
28.4![]() |
25.7![]() |
28.2![]() |
27.1![]() |
Sa o 2, % | 95![]() |
97![]() |
98![]() |
98![]() |
97![]() |
96![]() |
Peep, positive end-expiratory pressure; FI
o
2, fraction of O2 in inspired gas; V, tidal volume; bw, body weight; Ppeak, peak airway pressure; Pplat, inspiratory plateau airway pressure; Crs, respiratory system compliance; Sa
o
2, saturation of O2.