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Mean (s.d.) whole lung deposition data expressed as percentages of the metered dose determined by gamma scintigraphy and by the charcoal-block method. Inhaled flows are targeted values (reproduced from [77] with permission).
| MDI at 30 l min−1 | MDI at 180 l min−1 | MDI +Nebuliser spacer at 15 l min−1 | |
|---|---|---|---|
| Charcoal block | 11.2 (4.0) | 7.2 (2.2) | 33.8 (10.6) |
| Gamma scintigraphy | 10.7 (2.6) | 10.4 (5.0) | 31.6 (10.1) |
