This is chronic rheumatic valvulitis involving the mitral valve.慢性风湿性心瓣膜病(二尖瓣狭窄)....

n.瓣炎，心瓣炎...

valvulitis的音标：valvulitis的英式发音音标为：[ˌvælvjʊ'laɪtɪs]valvulitis的美式发音音标为：[ˌvælvjʊ'laɪtɪs]...