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Ｐｔｆ－Ｖ_１异常诊断冠心病价值的探讨广东省深圳市罗湖区人民医院内科（５１８００１）冯俊朝本文主要观察了活动平板运动试验前后Ｖ１导联Ｐ波终末电势的变化，以探讨其对冠心病的诊断价值。材料和方法１．观察对象冠心病组：１００例，男６５例，女３５例，平均年龄?..
To investigate the value of Ptf-V_1 in the diagnosis of coronary heart disease.Methods The changes of end-potential of P wave in V1 lead before and after treadmill exercise test were observed in order to investigate its effect on coronary heart disease Diagnostic value. Materials and methods 1. The observation group of coronary heart disease: 100 cases, 65 males and 35 females, the average age?