Basic Sciences Tutorial 297 Apnoea and Pre-Oxygenation Dr Andrew Biffen Dr Richard Hughes Torbay Hospital, UK Correspondence to abiffen@nhs.net 4TH NOVEMBER 2013 Abstract Log in to view the full tutorial Log in This work by WFSA is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License. To view this license, visit https://creativecommons.org/licenses/by-nc-nd/4.0/