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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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Algorithm for approaching failure to satisfy the criteria for ‘sustained exhaled carbon dioxide’ following passage of a tracheal tube. This algorithm has been designed to be used as an implementation tool [93], to be referred to in real time during clinical practice. Optimal use during clinical practice requires prior familiarity with the algorithm and guideline text. A high‐resolution version of the algorithm is available for download at https://www.UniversalAirway.org/downloads. Printing and laminating this at A3 size is recommended.