Airway sizes (peds)

See critical care quick reference for airway sizes by weight.

Airway Adjuncts

• OP Airway Size:
  • from lip/teeth to angle of jaw
• NP Airway:
  • tip of nose to tragus
• BVM in Kids
  • 10cc/kg

ETT

ETT Size: (Age/4) + 4 for uncuffed, (Age/4) + 3.5 for cuffed

• Estimates cuffed
• 1 yr, 10kg, size 4
• 5 yr, 20kg, size 5
• 10 yr, 30 kg, size 6

• Cuffed and uncuffed ETT are acceptable outside neonatal age
  • Uncuffed
    • <1yo - 3.5mm ETT
    • 1-2yo - 4mm ETT
    • >2yo - 4 + (age/4)
  • Cuffed
    • <1yo - 3mm ETT
    • 1-2yo - 3.5mm ETT
    • >2yo - 3.5 + (age/4)

• Depth of Tube Placement: 3 x uncuffed ETT size (cm)
  • Neonate: Nasal septum to tragus in cm + 1 cm

Preemies

• 1kg 2.5mm tube at 7 cm depth
• 2kg 3.0mm tube at 8 cm depth
• 3kg 3.5mm tube at 9 cm depth

Other Tubes:

• NG, OG, foley: 2 x ETT
• Chest Tube (max) 4x ETT

ETT Drug Delivery

Endotracheal Drug Delivery: 1:1000 solution at 0.1mg/kg = 0.1ml/kg
Newly born: 1:10,000 solution at 0.03mg/kg = 0.3mL/kg

See Also

• Critical care quick reference
• PALS (Main)
• Pediatric Vital Signs

References

Adapted from Pani, DeBonis

Authors

Michael Holtz