Figure 2From: Clinical review: Update on neurally adjusted ventilatory assist - report of a round-table conferenceTitration of the neurally adjusted ventilatory assist level according to Brander and colleagues' procedure. The neurally adjusted ventilatory assist (NAVA) level is increased step by step. VT, tidal volume; Paw, airway pressure; cmH2O/AU, cmH2O per arbitrary unit (the amount of microvolts recorded from the electrical activity of the diaphragm signal).Back to article page