Fig. 2From: Effect of reverse Trendelenburg position and positive pressure ventilation on safe non-hypoxic apnea period in obese, a randomized-control trialConsort flowchart. Abbreviations: RP/ZEEP: Beach-chair position without positive pressure, COPD: chronic obstructive pulmonary disease, GERD: gastroesophageal reflux disease, IET: insertion of endotracheal tube, RT/PPV: Reverse Trendelenburg position associated with positive pressure ventilationBack to article page