Fig. 4From: Role of tube size and intranasal compression of the nasotracheal tube in respiratory pressure loss during nasotracheal intubation: a laboratory studyTotal pressure losses and pressure losses through tubular parts of the nasotracheal tubes resulting from compression. a Total measured pressure losses through the nasotracheal tubes including the slip joint by physical simulation. b Predicted pressure losses through tubular parts, which is the total measured pressure loss minus the slip joint pressure loss, by physical simulation. c Calculated pressure losses through the tubular parts by fluid dynamics simulationBack to article page