Ultrasound for airway management: An evidence-based review for the emergency clinician

Michael Gottlieb*, Dallas Holladay, Katharine M. Burns, Damali Nakitende, John Bailitz

*Corresponding author for this work

Research output: Contribution to journalReview article

9 Scopus citations

Abstract

Background: Airway management is a common procedure performed in the Emergency Department with significant potential for complications. Many of the traditional physical examination maneuvers have limitations in the assessment and management of difficult airways. Point-of-care ultrasound (POCUS) has been increasingly studied for the evaluation and management of the airway in a variety of settings. Objective: This article summarizes the current literature on POCUS for airway assessment, intubation confirmation, endotracheal tube (ETT) depth assessment, and performing cricothyroidotomy with an emphasis on those components most relevant for the Emergency Medicine clinician. Discussion: POCUS can be a useful tool for identifying difficult airways by measuring the distance from the skin to the thyrohyoid membrane, hyoid bone, or epiglottis. It can also predict ETT size better than age-based formulae. POCUS is highly accurate for confirming ETT placement in adult and pediatric patients. The typical approach involves transtracheal visualization but can also include lung sliding and diaphragmatic elevation. ETT depth can be assessed by visualizing the ETT cuff in the trachea, as well as using lung sliding and the lung pulse sign. Finally, POCUS can identify the cricothyroid membrane more quickly and accurately than the landmark-based approach. Conclusion: Airway management is a core skill in the Emergency Department. POCUS can be a valuable tool with applications ranging from airway assessment to dynamic cricothyroidotomy. This paper summarizes the key literature on POCUS for airway management.

Original languageEnglish (US)
Pages (from-to)1007-1013
Number of pages7
JournalAmerican Journal of Emergency Medicine
Volume38
Issue number5
DOIs
StatePublished - May 2020

Keywords

  • Airway, intubation
  • Cricothyroidotomy
  • Endotracheal
  • Ultrasound

ASJC Scopus subject areas

  • Emergency Medicine

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