ETT Insertion Length at Nares

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. Marije Hogeveen. European Resuscitation Council Guidelines 2025 Newborn Resuscitation and Support of Transition of Infants at Birth.. Resuscitation, 2025
  2. Christian A Maiwald. Prospective evaluation of recommendations for nasal insertion depths in neonatal intubation: a prospective quality assurance study.. Archives of disease in childhood. Fetal and neonatal edition, 2025
  3. Jasmeet Soar. European Resuscitation Council Guidelines 2025 Adult Advanced Life Support.. Resuscitation, 2025
  4. C. Sitzwohl. Endobronchial intubation detected by insertion depth of endotracheal tube, bilateral auscultation, or observation of chest movements: randomised trial. The BMJ, 2010
  5. W. Geisser. Radiological validation of tracheal tube insertion depth in out‐of‐hospital and in‐hospital emergency patients. Anaesthesia, 2009
  6. D. Reed. Proper depth of placement of nasotracheal tubes in adults prior to radiographic confirmation.. Academic emergency medicine : official journal of the Society for Academic Emergency Medicine, 1997
  7. R. Hartrey. Movement of oral and nasal tracheal tubes as a result of changes in head and neck position. Anaesthesia, 1994