Table 4.
Performance of the CRISIS ventilator with a set respiratory system compliance of 100mL/cmH2O (Healthy Lung). Here the tolerances for a healthy adult lung for a given inflow rate is demonstrated. Listed resultant values represent MEAN ± the standard deviations.
| Set Flow Rate (L/min) | Goal Tidal Volume (mL) | Goal Respiratory Rate | Measured Tidal Volume (mL) | Measured Respiratory Rate | PIP (cmH2O) | PEEP (cmH2O) |
|---|---|---|---|---|---|---|
| 20 | 250 | Low | 257.0 ± 13.2 | 16.2 ± 1.1 | 8.3 ± 1.7 | 4.5 ± 1.3 |
| High | 250.8 ± 7.1 | 18.7 ± 1.6 | 7.8 ± 1.6 | 4.2 ± 1.5 | ||
| 350 | Low | 342.6 ± 24.1 | 14.4 ± 1.0 | 8.5 ± 0.7 | 4.0 ± 0.8 | |
| High | 350.3 ± 10.6 | 15.8 ± 0.8 | 10.9 ± 1.0 | 5.6 ± 0.6 | ||
| 450 | Low | 446.9 ± 18.0 | 10.5 ± 1.7 | 8.4 ± 0.3 | 3.1 ± 0.1 | |
| High | 447.2 ± 4.5 | 12.3 ± 2.0 | 13.0 ± 1.2 | 6.2 ± 0.6 | ||
| 550 | Low | 545.4 ± 15.9 | 8.6 ± 1.3 | 9.6 ± 0.5 | 3.2 ± 0.4 | |
| High | 553.3 ± 2.9 | 11.2 ± 2.0 | 14.7 ± 1.7 | 6.5 ± 0.8 | ||
| 650 | Low | 658.4 ± 15.7 | 7.9 ± 2.0 | 12.0 ± 2.8 | 4.2 ± 1.8 | |
| High | 664.6 ± 5.5 | 10.0 ± 1.8 | 14.4 ± 2.8 | 5.8 ± 1.6 | ||
| 30 | 250 | Low | 269.2 ± 24.1 | 19.5 ± 3.4 | 9.4 ± 1.3 | 5.7 ± 1.3 |
| High | 253.9 ± 21.4 | 23.2 ± 2.5 | 8.7 ± 0.2 | 5.0 ± 0.1 | ||
| 350 | Low | 348.6 ± 7.3 | 15.0 ± 4.0 | 10.4 ± 3.2 | 4.9 ± 2.5 | |
| High | 339.5 ± 11.4 | 20.5 ± 1.5 | 10.4 ± 0.3 | 5.6 ± 0.4 | ||
| 450 | Low | 445.5 ± 5.5 | 11.8 ± 4.0 | 10.3 ± 0.3 | 4.2 ± 0.5 | |
| High | 446.4 ± 7.4 | 16.8 ± 1.0 | 13.2 ± 1.7 | 6.8 ± 1.1 | ||
| 550 | Low | 555.8 ± 8.3 | 9.3 ± 1.3 | 11.0 ± 0.6 | 3.9 ± 0.5 | |
| High | 541.1 ± 15.5 | 15.1 ± 1.3 | 15.3 ± 2.2 | 7.5 ± 1.4 | ||
| 650 | Low | 646.5 ± 3.7 | 8.3 ± 0.7 | 12.0 ± 0.6 | 3.9 ± 0.3 | |
| High | 641.9 ± 10.8 | 14.0 ± 1.7 | 17.5 ± 1.5 | 8.2 ± 1.1 |