Fig. 1From: Diaphragm dysfunction as a potential determinant of dyspnea on exertion in patients 1 year after COVID-19-related ARDSParameters measured during diaphragm ultrasound: diaphragm excursion during tidal breathing (A) and sniff maneuver (B); and diaphragm thickness at functional residual capacity (FRC) (C) and at total lung capacity (TLC) (D)Back to article page