From: Determining optimal needle size for decompression of tension pneumothorax in children – a CT-based study
Diameter
Length
4. ICS AAL
Mean (SD)
Minimum
24G
0.07 cm
1.9 cm
0.37 ± 0.13
0.06
22G
0.09 cm
2.5 cm
0.35 ± 0.13
0.04
20G
0.11 cm
3.2 cm
0.33 ± 0.13
0.02