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| %IPAPtime (%) | RR | Cycle Time (sec) | Inspiratory Time = IPAPtime (sec) | EPAPtime (sec) | I:E |
|---|---|---|---|---|---|
| 30% | 10 | 6 | 1.8 | 4.2 | 1:2.3 |
| 12 | 5 | 1.5 | 3.5 | 1:2.3 | |
| 15 | 4 | 1.2 | 2.8 | 1:2.3 | |
| 20 | 3 | 0.9 | 2.1 | 1:2.3 | |
| 40% | 10 | 6 | 2.4 | 3.6 | 1:1.5 |
| 12 | 5 | 2.0 | 3.0 | 1:1.5 | |
| 15 | 4 | 1.6 | 2.4 | 1:1.5 | |
| 20 | 3 | 1.2 | 1.8 | 1:1.5 |
Inspiratory Time = IPAP time
%IPAP = IPAPtime X 100 / (IPAPtime+EPAPtime)
Cycle time = 60/respiratory rate in breaths per minute
Cycle time = (IPAPtime+EPAPtime)
I:E ratio = inspiratory time/expiratory time = IPAP time/EPAP time
