List of critical errors used for the scoring of inhalation technique#
| Diskus | Autohaler | |
| Preparation | ||
| 1 | Device is not opened correctly until a “click” is heard | Inhaler cap is not removed before use |
| 2 | Device is not held horizontally with counter facing up while preparing (45° tolerance) | Inhaler is not held upright with lever on top (45° tolerance) |
| 3 | Lever is not pushed back until another “click” is heard | Lever is not pushed up before inhalation |
| Inhalation | ||
| 4 | Exhales into the device | After fully exhaling, teeth and lips are not sealed around mouthpiece |
| 5 | Mouthpiece is not correctly sealed between teeth and lips | Inhalation stops directly after firing the inhaler |
| 6 | Insufficiently deep inhalation | Insufficiently deep inhalation |
| 7 | No breath-hold for ≥10 s | No breath-hold for ≥10 s |
#: partly adopted from the standardised inhalation protocols distributed by the Lung Alliance Netherlands [9].