结论40岁以上右胸导联R波占优势者，大多数有心血管系统的疾病，只有少数为正常变异。
Conclusions Except some normal variation, most patients over 40 years old with right chest conduct link R-wave advantage in electrocardiogram were demonstroted disorders in cardiovascular system.
结论40岁以上右胸导联R波占优势者，大多数有心血管系统的疾病，只有少数为正常变异。
Conclusions Except some normal variation, most patients over 40 years old with right chest conduct link R-wave advantage in electrocardiogram were demonstroted disorders in cardiovascular system.
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