ETT Insertion Length at Lips

ETT size based on weight : Weight < 1 kg= 2.5 mm; Weight 1-3 kg= 3.0 mm; Weight 3-5 kg= 3.5 mm; Weight > 5 kg= 4.0 mm

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ETT size based on weight : Weight < 1 kg= 2.5 mm; Weight 1-3 kg= 3.0 mm; Weight 3-5 kg= 3.5 mm; Weight > 5 kg= 4.0 mm

Kg

References

  1. Jasmeet Soar. European Resuscitation Council Guidelines 2025 Adult Advanced Life Support.. Resuscitation, 2025
  2. Yang Zhang. Predicting optimal endotracheal tube depth in children based on height and middle finger length.. Pediatric research, 2025
  3. N. Chrimes. Preventing unrecognised oesophageal intubation: a consensus guideline from the Project for Universal Management of Airways and international airway societies*. Anaesthesia, 2022
  4. A A Klein. Recommendations for standards of monitoring during anaesthesia and recovery 2021: Guideline from the Association of Anaesthetists.. Anaesthesia, 2021
  5. C. Sitzwohl. Endobronchial intubation detected by insertion depth of endotracheal tube, bilateral auscultation, or observation of chest movements: randomised trial. The BMJ, 2010
  6. Kavita Rani Sharma. Tracheal tube fixation: the effect on depth of insertion of midline fixation compared to the angle of the mouth *. Anaesthesia, 2009