患者男性,28岁。因反复胸闷、心悸4年于1987年5月17日以心肌炎入院。体检:一般情况可,两肺(一),心尖搏动正常,无猫喘,心界无扩大,心尖区闻及收缩中晚期喀喇音,肝脾肋下未及。实验室检查无殊。超声心动图示:二尖瓣前叶脱垂。动态心电图 ST-T 呈缺血型改变。连续记录的监护导联心电图(图1)见 ST-T 随呼 Male patient, 28 years old. Due to repeated chest tightness, palpitations 4 years in May 17, 1987 admitted to myocarditis. Physical examination: the general situation can be, both lungs (a), apex beat normal, no cat asthma, no expansion of the heart, the apex area smell and contraction in the late Kara tone, liver and spleen ribs did not. No special laboratory tests. Echocardiography: anterior mitral valve prolapse. Holter monitor ST-T showed ischemic changes. Continued recorded guardianship lead ECG (Figure 1) See ST-T with call