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Fig. 4 | Critical Care

Fig. 4

From: Ultrasound-assessed diaphragmatic impairment is a predictor of outcomes in patients with acute exacerbation of chronic obstructive pulmonary disease undergoing noninvasive ventilation

Fig. 4

a Change in diaphragm thickness (ΔTdi) values at ultrasound testing and transdiaphragmatic pressure capacity measured at maximal inspiration using the sniff maneuver (Pdi sniff) values in the subgroup of ten patients tested with esophageal and gastric balloons. b Distribution of patients with ΔTdi < 20% or > 20% according to Pdi sniff. NIV Noninvasive ventilation

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Critical Care

ISSN: 1364-8535