Fig. 3From: Diaphragm dysfunction, lung aeration loss and weaning-induced pulmonary oedema in difficult-to-wean patientsDiaphragm function as evaluated by measuring the change in tracheal pressure in response to bilateral phrenic nerve stimulation (Ptr,stim) in patients with a successful spontaneous breathing trial (SBT) and those with SBT failure with and without weaning-induced pulmonary oedema (WIPO). Box plots show the median (interquartile)Back to article page