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Annals of Intensive Care
Fig. 2 | Annals of Intensive Care

Fig. 2

From: Can proportional ventilation modes facilitate exercise in critically ill patients? A physiological cross-over study

Fig. 2

Recordings of Flow, airway pressure (Paw) and electrical activity of the diaphragm (EAdi) during exercise in the same patient during two examined sessions: one with Neurally Adjusted Ventilator Assist (NAVA) and one with pressure support ventilation (PSV). During NAVA, one can observe the great variability of Flow due to changes in neural effort (reflected by changes in EAdi) which led to changes in delivered Paw. In contrast, despite similar changes in EAdi during PSV, delivered Paw and Flow remained stable

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