[Double contrast examination of the pericardial cavity in a case of exsudative pericarditis (author's transl)].

1)Radiographic examinations of the pericardial cavity by double contrast technique yield good information about the pericardial layer itself, the pericardial cavity and its contents. -- 2) Pericardial puncture and fluid aspiration and subsequent creation of a pneumopericardium with installation of water soluble contrast material are important diagnostic tools and have an important therapeutic effect as well. -- 3) For an appropriate examination 300--400 ml gas (oxygen in inflammatory, room air in carcinomatous conditions) and 5--8 ml of 60% water soluble contrast material (0.