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. 2022 Aug 17;77(12):1395–1415. doi: 10.1111/anae.15817

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© 2022 The Authors. Anaesthesia published by John Wiley & Sons Ltd on behalf of Association of Anaesthetists.

This is an open access article under the terms of the http://creativecommons.org/licenses/by-nc-nd/4.0/ License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non‐commercial and no modifications or adaptations are made.

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‘Quick Check’ to identify the causes of failure to satisfy the criteria for ‘sustained exhaled carbon dioxide’ other than oesophageal intubation: This graphic is designed to be used as a foundation tool [93], to be reviewed in advance of clinical use, to enable subsequent prompting by the icons on the algorithm (Fig. 3). It is not intended to be referred to in real time during clinical practice. A high‐resolution version of this graphic is available for download at https://www.UniversalAirway.org/downloads.