General Topics Tutorial 321 Difficult mask ventilation Dr Jonathan Holland Anaesthetics Registrar, Royal Victoria Hospital, Northern Ireland, UK Dr Will Donaldson Consultant Anaesthetist, Antrim Hospital, Northern Ireland, UK Edited by Dr Luke Baitch and Dr Maytinee Lilaonitkul Correspondence to atotw@wordpress-1154955-4022140.cloudwaysapps.com 8th OCT 2015 Abstract Sign in to view the tutorial. Sign 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/