Fig. 2

B-mode ultrasound of the right hemidiaphragm. A ultrasound performed during end-expiration. B Ultrasound performed during maximal inspiration. The diaphragm is visible between two-hyperechoic lines representing the pleural and peritoneal membranes, respectively. At the end of maximal inspiration, lung tissue is visible in B, end-expiration diaphragm thickness was 1.90 mm. Di diaphragm, S subcutaneous tissue, Li liver, Lu lung