title: A "balloon" on the mitral valve.
authors: Department of Sonography, Shengjing Hospital of China Medical University, Shenyang, China.
authors: Feifei
authors: F
authors: Sun
authors: Weidong
authors: W
authors: Ren
authors: Wenjing
authors: W
authors: Bi
authors: Ying
authors: Y
authors: Zhang
authors: Baosheng
authors: B
authors: Guo
mesh_terms: D000328:Adult; D003560:Cysts / Q000000981:diagnostic imaging*; D004452:Echocardiography; D006801:Humans; D008297:Male; D008943:Mitral Valve / Q000000981:diagnostic imaging*