甲状腺机能亢进症(下称甲亢)并发二尖瓣脱垂(MVP)国内报道不多。几年来我们在住院及门诊的甲亢患者中经听诊和超声心动图检查发现9例,现报告如下。临床资料性别:女性6例,男性3例。年龄:22～64岁,平均年龄39.4岁,<45岁者7例。甲亢表现:8例有较典型的病史,病程自2个月至8年,平均3.1年。6例有轻至中度突眼,全部病例均有弥漫性甲状腺肿大,一般为2至3度。胸痛特点:8例有不同程度的心前区或左胸疼痛。轻者偶感短暂闷痛,重者呈针刺 Hyperthyroidism (hereinafter referred to as hyperthyroidism) complicated with mitral valve prolapse (MVP) reported few domestic. Over the past few years we in the hospital and outpatient hyperthyroidism patients by auscultation and echocardiography found in 9 cases, are as follows. Clinical data Sex: 6 females, 3 males. Age: 22 ~ 64 years, mean age 39.4 years old, <45 years old in 7 cases. Hyperthyroidism performance: 8 cases have a more typical history, duration from 2 months to 8 years, an average of 3.1 years. 6 cases had mild to moderate exophthalmos, all cases have diffuse goiter, usually 2 to 3 degrees. Chest pain characteristics: 8 cases have different degrees of precordial or left chest pain. Light casual feeling of shortness of nausea, severe acupuncture was