Pediatric Anesthesiology
Laryngeal Mask Airway (LMA) and Sizes and
Fiberscope and ETT sizes for LMA-fiberoptic Intubation
LMA size | Patient weight (kg) | Internal diameter (mm) | Cuff volume (ml) | ETT's (ID, mm) sizes recommended | Fiberscope size (mm)
| 1 |
| < 6.5 |
| 5.25 |
| 2-5 |
| 3.0, 3.5 |
| 2.2, 2.7 |
1.5 |
| 5-10 |
| 6.1 |
| 2-8 |
| 3.5, 4.0 |
| 2.2, 2.7 |
2 |
| 10-20 |
| 7.0 |
| 2-10 |
| 4.0, 4.5 |
| 2.2, 2.7, 3.7 |
2.5 |
| 20-30 |
| 8.4 |
| 2-15 |
| 5.0 |
| 3.7, 4.0* |
3 |
| >30 |
| 10 |
| 10-25 |
| 6.0 |
| 4.0 |
4 |
| >70 |
| 10-12 |
| 20-30 |
| 6.0, 6.5 |
| 4.0 |
5 |
| >80 |
| 11.5 |
| 20-40 |
| 7.0 |
| 4.0 |
|
---|
* May need to remove ETT connector
Table adapted from
Pennant JH, White PF: Anesthesiology 79:144, 1993,
Bahk J-H, Choi I-H: Paediatric Anaesthesia 9:96, 1999, and
Johr M, Berger TM: Pediatric Anesthesia 14:614, 2004
Table adapted from
Pennant JH, White PF: Anesthesiology 79:144, 1993,
Bahk J-H, Choi I-H: Paediatric Anaesthesia 9:96, 1999, and
Johr M, Berger TM: Pediatric Anesthesia 14:614, 2004