Table 1 Calculated stage cut-off diameters (μm) for NGI at 20 L/min, 30 L/min, and 40 L/min
From: Aerosol drug delivery to the lungs during nasal high flow therapy: an in vitro study
Stage | 20 L/min | Flow rate 30 L/mina | 30 L/minb | 40 L/min |
|---|---|---|---|---|
1 | 13.05 | 11.70 | 14.59 | 10.03 |
2 | 7.61 | 6.40 | 7.90 | 5.51 |
3 | 4.76 | 3.99 | 4.88 | 3.45 |
4 | 2.84 | 2.30 | 2.78 | 2.01 |
5 | 1.74 | 1.36 | 1.68 | 1.17 |
6 | 1.11 | 0.83 | 1.06 | 0.70 |
7 | 0.77 | 0.54 | 0.71 | 0.45 |