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The Technology of Video Laryngoscopy

Berkow, Lauren C. MD; Morey, Timothy E. MD; Urdaneta, Felipe MD

doi: 10.1213/ANE.0000000000002490
Research Report: PDF Only

Tracheal intubation via laryngeal exposure has evolved over the past 150 years and has greatly expanded in the last decade with the introduction and development of newer, more sophisticated optical airway devices. The introduction of indirect and video-assisted laryngoscopes has significantly impacted airway management as evidenced by the presence of these devices in the majority of published difficult airway algorithms. However, it is quite possible that many airway managers do not have a thorough comprehension of how these devices actually function, an understanding that is vital not only for their use but also for assessing the devices’ limitations. This article discusses the development of video laryngoscopy, how the video laryngoscope works, and the impact of video laryngoscopy on difficult airway management.

From the Department of Anesthesiology, University of Florida College of Medicine, Gainesville, Florida.

Accepted for publication August 14, 2017.

Funding: Department of Anesthesiology, University of Florida, Gainesville, Florida.

Conflicts of Interest: See Disclosures at the end of the article.

Reprints will not be available from the authors.

Address correspondence to Lauren C. Berkow, MD, Department of Anesthesiology, 1600 SW Archer Rd, PO Box 100254, University of Florida College of Medicine, Gainesville, FL 32610. Address e-mail to

© 2018 International Anesthesia Research Society
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