Objective To study electrocardiogram characteristics of right and posterior chest leads in healthy old people over 70 years. Methods Electrocardiograms of V3R to V5R and V7 to V9 leads were taken from 212 healthy old people over 70 years.
目的研究70岁以上健康老年人右胸及后壁导联心电图特点。
参考来源 - 70岁以上健康老年人右胸及后壁导联心电图特点分析·2,447,543篇论文数据，部分数据来源于NoteExpress
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