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. 2019 Jan 7;9:4. doi: 10.1186/s13613-019-0482-2

Fig. 5.

Fig. 5

Trend of the neuro-ventilatory drive, as expressed by the diaphragm electrical activity peak EAdiPEAK, and of work of breathing, as expressed by the inspiratory muscular pressure–time product per breath (PTPmusc/b) and per minute (PTPmusc/min). Other abbreviations: 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 therapy