Figure 3From: Neuroventilatory efficiency and extubation readiness in critically ill patientsThe development of (top to bottom) of tidal volume (V t ), breathing frequency (f), minute ventilation (V E ), and the ratio of breathing frequency and tidal volume (f/V t ) during pressure support of 10 above 5 cm H 2 O of PEEP (PSV 10 ) and throughout the spontaneous breathing trial (SBT) on CPAP of 5 cm H 2 O. See Figure 2 for more description.Back to article page