我们从1981年5月至1982年12月共观察21左例室心肌梗塞患者V_4R、MR、ME及ML导联心电图改变,并与常规心电图作比较,对其临床意义进行了初步探讨。检查对象与方法本组选择18～63岁平素健康、体检及常规心电图正常者50例(其中男性24例,女性26例)。同时进行了V_4R、MR、ME及ML导联心电图检查。另检查21例左室心肌梗塞,年龄46～82岁。男性16例,女性5例。其中下壁梗塞6 We observed from May 1981 to December 1982 a total of 21 patients with left ventricular myocardial infarction V_4R, MR, ME and ML lead electrocardiogram changes, and compared with conventional ECG, the clinical significance of a preliminary study. Check the objects and methods The group of 18 to 63 years old normal health, physical examination and conventional electrocardiogram in 50 patients (including 24 males and 26 females). V_4R, MR, ME and ML lead ECG were also performed. Another check of 21 cases of left ventricular myocardial infarction, aged 46 to 82 years. 16 males and 5 females. The lower wall infarction 6