title: Mediastinal emphysema simulating acute pericarditis.
abstract: A case of extensive subcutaneous emphysema, retropneumoperitoneum and mediastinal emphysema is described. The mediastinal emphysema was associated with signs and symptoms of pericardial tamponade, and previously undocumented ECG changes, consistent with acute pericarditis, were noted.
mesh_terms: D000208:Acute Disease; D000368:Aged; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008478:Mediastinal Emphysema / Q000175:diagnosis*; D010493:Pericarditis / Q000175:diagnosis*