title: The continuous diaphragm sign. A newly-recognized sign of pneumomediastinum.
mesh_terms: D000063:Accidents, Traffic; D000328:Adult; D000388:Air; D001249:Asthma / Q000000981:diagnostic imaging; D002675:Child, Preschool; D003964:Diaphragm / Q000000981:diagnostic imaging*; D006801:Humans; D008297:Male; D008478:Mediastinal Emphysema / Q000000981:diagnostic imaging*; D011859:Radiography