Figure 4From: Continued breathing followed by gasping or apnea in a swine model of ventricular fibrillation cardiac arrest Graphic recording showing the aortic pressure (AoP), air flow signal and end-tidal CO 2 (EtCO 2 ) curves in anesthetized swine during the first 90 seconds of VF cardiac arrest. The asterisk (*) indicates the time point when the endotracheal tube was disconnected from the mechanical ventilator.Back to article page