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Laryngeal Mask Airway (LMA)
From WikEM
LMA Sizes
| Mask Size | Weight (kg) | Age (yr) | LMA Length (cm) | LMA Cuff Vol (mL) | Largest ETT^ (mm) |
| 1 | <5 | <0.5 | 10 | 4 | 3.5 |
| 1.5 | 5-10 | <1 | 10 | 5-7 | 4 |
| 2 | 6.5-20 | 1-5 | 11.5 | 7-10 | 4.5 |
| 2.5 | 20-30 | 5-10 | 12.5 | 14 | 5 |
| 3 | 30-60 | 10-15 | 19 | 15-20 | 6 |
| 4 | 60-80 | >15 | 19 | 25-30 | 6.5 |
| 5 | >80 | >15 | 19 | 30-40 | 7 |
^Largest ETT that can pass thorough "Intubating LMA" (ILMA)
