Fig. 4From: Comparison of emergency surgical cricothyroidotomy and percutaneous cricothyroidotomy by experienced airway providers in an obese, in vivo porcine hemorrhage airway modelMultipanel graphs showing the difference in pCO2 (a), pH (b), base excess (BE) (c) and lactate (d), between the groups. No differences were detected in the established airway in comparison of the groupsBack to article page