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Recommended size of I-gel, maximum size of gastric tube and endotracheal tube which can be inserted through it.
| Size of I-gel | Bodyweight (kg) | Maximumsize of gastric tube | Maximum size of ETT which can be passed |
|---|---|---|---|
| 1 | 1-5 | N/A | 3.5 |
| 1.5 | 5-12 | 10 | 4.5 |
| 2 | 10-25 | 12 | 5.0 |
| 2.5 | 25-35 | 12 | 6.0 |
| 3 | 30-60 | 12 | 6.0 |
| 4 | 50-90 | 12 | 7.0 |
| 5 | 90+ | 14 | 8.0 |
