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1980年7～8月间我院对某单位40岁以上的工作人员进行体检,除记录常规心电图导联外,增加V_7、V_8、V_9导联。现将心电图的结果总结如下: 材料来源 1.受检人员在40岁以上,V_7是V_4水平上和左腋后线的交点,V_8是同一水平上和左肩胛线的交点,V_9是同一水平上和左脊柱旁线的交点。 2.判断V_7V_8、V_9正常的标准:(1)心电图的常规导联正常。(2)临床和X线检查无心脏病,则此
From July to August 1980, our hospital conducted a physical examination on staff of a unit over 40 years of age. In addition to recording conventional ECG leads, it increased the lead of V_7, V_8 and V_9. Now the ECG results are summarized as follows: Material sources 1 subjects over the age of 40, V_7 is V_4 level and left axillary line intersection, V_8 is the same level and the left shoulder blade line intersection, V_9 is the same level And the left spine next to the line of intersection. 2. To determine the normal V_7V_8, V_9 standards: (1) normal lead ECG normal. (2) clinical and X-ray examination without heart disease, then this