Weight-based sizing for the air-Q3 Supraglottic Airway
Weight-based sizing for the air-Q3 Supraglottic Airway
Patient weight (kg)
Size
Max ETT size (mm)
<2
0
3.0
2 to <4
0.5
3.5
4 to <7
1
4.5
7 to <17
1.5
5.0
17 to <30
2
5.5
30 to <60
3
7.0
60 to <80
4
8.0
>80
5
9.0
This table provides the manufacturer recommended air-Q3 Supraglottic Airway size for insertion by patient weight. For each size, the chart provides the maximum endotracheal tube size that can be passed. This table is intended for use with UpToDate topics on supraglottic airway devices for difficult intubation in children and management of the difficult pediatric airway.