关于急性正后壁心肌梗塞(Direct Posterior AMI,以下简称DPAMI)的心电图诊断,通常根据V_1、V_2有高而稍宽的R波,R/S≥1,V_1、V_2导联有两肢对称的高尖T波进行诊断。但是上述条件又常与右室肥厚、左束支间隔支阻滞及正常人变异相混淆。六十年代一些著者认为心向量图对DPAMI的诊断较心电图可靠,甚至有人认为: About the diagnosis of acute posterior wall myocardial infarction (Direct Posterior AMI, hereinafter referred to as DPAMI) ECG, usually based on V_1, V_2 high and slightly wider R wave, R / S ≥ 1, V_1, V_2 lead symmetrical limbs High T-wave diagnosis. However, these conditions are often confused with right ventricular hypertrophy, left bundle branch block and normal mutation. Some authors in the 1960s thought that the cardiac vector chart was more reliable than the electrocardiogram in the diagnosis of DPAMI. Some even thought: