Fig. 6From: Spontaneous breathing trial and post-extubation work of breathing in morbidly obese critically ill patientsVentilatory pattern during the five weaning tests and twenty minutes after extubation. One patient is presented with the acquisition of flow (L/s), esophageal (Pes, cmH2O), airway (Paw, cmH2O), gastric (Pga, cmH2O) and trans-diaphragmatic (Pdi, cmH2O) pressure signals. PSV pressure support ventilation, PEEP positive end-expiratory pressureBack to article page