Paediatric Cuffed ETT Size — FRCA Final MCQ

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EasyAirway ManagementPaediatric Cuffed ETT SizeFRCA Final

A 4-year-old child (18 kg) needs a cuffed ETT for adenotonsillectomy. Correct internal diameter?

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Correct answer: D — 4.5 mm

Cuffed ETT in children: ID = (age/4) + 3.5. For 4-year-old: (4/4) + 3.5 = 4.5 mm. Cuffed tubes now recommended for all paediatric ages. Cuff pressure <20 cmH2O.

Reference: APA – 2023 – Guidelines on tracheal intubation in children