Baseline (Fig. 1a) | I | II | III | IV (Fig. 1c) | V (Fig. 1b) | VI | |
---|---|---|---|---|---|---|---|
VR (min-1) | 60 | 60 | 60 | 40 | 60 | 60 | 75 |
I:E ratio | 1:2 | 1:2 | 1:2 | 1:2 | 1:1 | 1:1 | 1:1 |
IT (ms) | 330 | 330 | 330 | 500 | 500 | 500 | 400 |
PIP (cmH2O) | 38 | 40 | 42 | 40 | 40 | 38 | 38 |
VPP | No | No | No | Yes | Yes | Yes | No |
O2 saturation (%) | 46 | 77 | 79 | 82 | 73 | 85 | 87 |
BPmean (mmHg) | 35 | 34 | 32 | 34 | 36 | 35 | 37 |
HR (beats/min) | 107 | 106 | 103 | 106 | 110 | 107 | 103 |
SVmax (ml) | 6.2 | 6.6 | 5.6 | 6.4 | 6.6 | 7.9 | 6.2 |
I:E SV ratio | 1.0 | 0.7 | 0.6 | 0.3 | 0.2 | 0.2 | 0.9 |
CO (ml/min) | 655 | 610 | 445 | 410 | 416 | 635 | 612 |
Hb oxygen delivery (ml/min) | 52 | 80 | 60 | 58 | 52 | 92 | 91 |