Fig. 4From: Comparison of assessment of diaphragm function using speckle tracking between patients with successful and failed weaning: a multicentre, observational, pilot studyBland–Altman plot of the difference in maximal diaphragm longitudinal strain value between operators in healthy subjects and critical ill mechanical ventilation patients. Under eupnea (A) and deep breathing (B) in healthy subjects, and in critical ill mechanical ventilation patients (C)Back to article page