Fig. 2From: Effect of regulating airway pressure on intrathoracic pressure and vital organ perfusion pressure during cardiopulmonary resuscitation: a non-randomized interventional cross-over studyRepresentative change in Ppl (Intrapleural pressure) (red) and Paw (airway pressure) (green) during CPR. a Standard (STD); b Active compression decompression (ACD); c ACD-Impedance Threshold Device (ITD); d ACD-Intrathoracic Pressure Regulator (ITPR)Back to article page