Chejtman, Demián Left cavities spontaneous contrast opacification. [electronic resource] - Journal of the American Society of Echocardiography : official publication of the American Society of Echocardiography Sep 2002 - 1009-11 p. digital Publication Type: Case Reports; Journal Article ISSN: 0894-7317 Standard No.: 10.1067/mje.2002.121437 doi Subjects--Topical Terms: Contrast MediaEchocardiography, TransesophagealEmbolism, Air--diagnostic imagingFemaleHeart Ventricles--diagnostic imagingHumansMiddle Aged