Table 2.

Recommended LMA sizing

Patient size	LMA size
Neonate, infant < 5 kg	1
Infant 5–10 kg	1.5
Infant, child 10–20 kg	2
Child 20–30 kg	2.5
Child 30–50 kg	3
Child /Adult 50–70 kg	4.0
Child / Adult 70–100 kg	5