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对65例下壁心肌梗塞患者以血流动力学为诊断右室心肌梗塞（RVMI）的相关指标，对比头胸导联心电图（HCECG）及常规心电图（WECG）诊断RVMI的价值，结果发现47例合并有RVMI，18例无RVMI。两种ECG比较HCECGV3R－V7RST抬高幅度大，持续时间长，受V2ST段降低的影响小，对RVMI诊断敏感性增高，特异性无变化。同时，V3RQ波诊断RVMI敏感性78％，特异性88．2％，对亚急任期RVMI也有一定诊断价值。
In 65 patients with inferior myocardial infarction, hemodynamics was used to diagnose right ventricular myocardial infarction (RVMI), and the value of HCECG and WECG in diagnosing RVMI was compared. Forty-seven patients With RVMI, 18 without RVMI. The comparison of HCECGV3R-V7RST between two kinds of ECGs showed that the amplitude of HCECGV3R-V7RST elevation was large, the duration was long, the influence of reduction of V2ST segment was small, the sensitivity of diagnosis of RVMI was increased and the specificity was not changed. At the same time, V3RQ wave diagnosis RVMI sensitivity of 78%, specificity 88.2%, sub-acute RVMI also have some diagnostic value.