Table 3 Breathing patterns generated by the respiratory simulator
From: In vitro delivery efficiencies of nebulizers for different breathing patterns
Breathing pattern | Inspiration:expiration (I:E) ratio | Respiration rate (bpm) | Tidal volume (mL) |
|---|---|---|---|
ISO 27427:2013 | 1:1 | 15 | 500 |
Normal adult | 1:2 | 15 | 500 |
Asthma | 1:2.5 | 22 | 290 |
COPD | 1.3 | 15 | 500 |