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本文通过观察76人心电图PTF－V1值，认为比值≤0．03mm．s是异常表现，其提示左心负荷过重及左心功能不全，对诊断及治疗有重要意义。
This article by observing the electrocardiogram of 76 people PTF-V1 value, that the ratio ≤ 0.03mm. s is abnormal performance, suggesting that left ventricular overload and left ventricular dysfunction, the diagnosis and treatment of great significance.