Fig. 4From: High-flow oxygen therapy in tracheostomized patients at high risk of weaning failureExperimental record showing the diaphragm electrical activity (EAdi) in the three experimental conditions in four representative patients. T-HF 1, first period of high-flow tracheostomy cannula oxygen therapy; conventional O2, period of conventional low-flow oxygen therapy with T-piece; T-HF 2, second period of high-flow tracheostomy cannula oxygen therapyBack to article page