Fig. 3From: Major pneumothorax during pediatric cardiac MRI procedure under general anesthesia: step-by-step analysis and importance of a well-known environment and materialDifference in compliance with the same pressure applied (50 cm of water). The left balloon is a new one and could alert the anesthetist by distending itself. However, the right balloon, the old one, cannot and does not inform of elevated pressureBack to article page