自70年代以来,二尖瓣脱垂综合征已逐渐为人们所认识,国外在一般“正常”人中该病检出率为6～21％,国内有关报道较少,一般检出率仅在2～6.3％。 我所于1984年曾对内科内分泌组确诊为甲状腺机能亢进症50例,先经M型超声心动图检查,再经二维超声心动图核实,并与正常女护士100例对照, Since the 1970s, mitral valve prolapse syndrome has been gradually recognized as people abroad in the general “normal” people detection rate of 6 to 21%, less domestic reports, the general detection rate only in the 2 ~ 6.3%. I was diagnosed in 1984, endocrine group of hyperthyroidism in 50 cases, first by M-mode echocardiography, and then by two-dimensional echocardiography to verify and compare with the normal female nurses 100 cases,