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
0.09 cm
2.5 cm
0.69 ± 0.22
0.28
22G
0.11 cm
3.2 cm
0.67 ± 0.22
0.26
20G
0.13 cm
4.5 cm
0.65 ± 0.22
0.24