FP (mean μg ±SD) recovered from VHCs and Models following tidal breathing
| Breathing Pattern | Child Pattern 155 ml, 25 bpm, 1:2 I:E | Infant Pattern 50 ml, 30 BPM, 1:3 I:E | ||
|---|---|---|---|---|
| Retention Location | Free Breathe | AeroChamber Plus Flow-Vu | Free Breathe | AeroChamber Plus Flow-Vu |
| VHC | 34.2±2.8 | 17.5±1.6 | 40.5±3.7 | 20.3±1.8 |
| Facemask | 1.1±0.6 | 1.4±0.2 | 0.0±0.0 | 1.4±0.2 |
| Airway | 0.3±0.2 | 1.1±0.2 | 0.0±0.0 | 0.5±0.1 |
| Filter at ‘Carina’ | 5.5± 1.8 | 10.1± 1.0 | 0.0±0.0 | 3.0± 0.9 |