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Updated: Jul 9, 2025

Point-of-Care Ultrasound: A Review of Ultrasound Parameters for Predicting Difficult Airways
Published on: April 7, 2023
Bedside Ultrasound: The Silent Guardian for Upper Airway Assessment and Management
Marvin G Chang1, Lorenzo Berra1, Edward A Bittner1
1Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital, Boston, MA.
Abstract:
Ultrasound evaluation of the upper airway has emerged as an essential instrument for clinicians, offering real-time assessment that can help to guide interventions and improve patient outcomes. This review aims to provide health care providers with a practical approach to performing ultrasound evaluation of the upper airway, covering basic physics relevant to upper airway ultrasound, the identification of key anatomical structures, and elucidating its various clinical applications, such as prediction of difficult airway, confirmation of endotracheal intubation, and guidance for surgical airway procedures and airway blocks. We also discuss evidence-based training programs, limitations, and future directions of ultrasound imaging of the upper airway.
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