title: The pitfalls in interpreting artificial pneumopericardium.
mesh_terms: D000293:Adolescent; D000368:Aged; D000388:Air; D003937:Diagnosis, Differential; D005260:Female; D005471:Fluoroscopy; D006321:Heart / Q000000981:diagnostic imaging*; D006325:Heart Atria / Q000000981:diagnostic imaging; D006338:Heart Neoplasms / Q000000981:diagnostic imaging; D006801:Humans; D008297:Male; D008875:Middle Aged; D010490:Pericardial Effusion / Q000000981:diagnostic imaging; D010493:Pericarditis / Q000000981:diagnostic imaging; D010496:Pericardium / Q000000981:diagnostic imaging*