title: Pneumopericardium following closed chest injury: a report of two cases.
mesh_terms: D000063:Accidents, Traffic; D000328:Adult; D001013:Aorta, Thoracic / Q000000981:diagnostic imaging / Q000293:injuries; D001014:Aortic Aneurysm / Q000000981:diagnostic imaging; D001019:Aortic Rupture / Q000209:etiology / Q000601:surgery; D001027:Aortography; D001807:Blood Vessel Prosthesis; D006326:Heart Auscultation; D006801:Humans; D008297:Male; D011026:Pneumopericardium / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000209:etiology*; D013898:Thoracic Injuries / Q000150:complications*