From: The effects of pressure- versus volume-controlled ventilation on ventilator work of breathing
Pressure setting | Inspiratory flow waveform | Normal lung R 10 cmH2O/L/s, C 0.1 L/cmH2O | Restrictive lung diseases R 10 cmH2O/L/s, C 0.05 L/cmH2O | Obstructive lung diseases R 20 cmH2O/L/s, C 0.1 L/cmH2O |
---|---|---|---|---|
tr 0.01Â s, PS 10 cmH2O | Decelerating Square Sinusoidal | 6.17 5.81 6.71 | 4.18 3.57 3.99 | 3.86 3.77 4.48 |
tr 0.1Â s, PS 10 cmH2O | Decelerating Square Sinusoidal | 4.98 4.40 5.08 | 3.11 2.44 2.72 | 3.23 2.99 3.55 |
tr 0.01Â s, PS 20 cmH2O | Decelerating Square Sinusoidal | 24.69 23.23 26.85 | 16.71 14.28 15.95 | 15.44 15.09 17.91 |
tr 0.1Â s, PS 20 cmH2O | Decelerating Square Sinusoidal | 19.92 17.57 20.31 | 12.44 9.74 10.88 | 12.90 11.96 14.20 |