成年人心脏病的双峰T波改变实属罕见,现报告3例如下。病例摘要例1:女,62岁。1991年6月19日呈频繁发作性心前区疼痛,逐次加重,含服硝酸甘油效果不佳急诊入院。已确诊冠心病13年,本次发病前后未服用影响复极的药物。入院后心电图V_(2～5)导联ST水平下移,伴有双峰T波改变,其后峰低于前峰,双峰间距V_2为0.08秒,V_(3～5)为0.12秒;Q-T间期V_2为0.43秒,V_(3.4)为 Bimodal T wave changes in adults with heart disease is rare, are reported in 3 cases as follows. Case Summary Example 1: Female, 62 years old. June 19, 1991 was frequent episodes of pre-cardiac pain, one after another aggravating, containing nitroglycerin ineffective emergency admission. Coronary heart disease has been diagnosed 13 years, before and after the onset of the disease did not take repolarization drugs. After admission, the level of ST in the lead of ECG V_ (2 ~ 5) was down, accompanied by the change of bimodal T-wave, followed by the peak lower than the anterior peak. The double peak spacing V_2 was 0.08 second and V_ (3-5) QT interval V_2 is 0.43 seconds, V_ (3.4) is