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目的:探讨心电图呈SⅠSⅡSⅢ患者心电向量图的特征改变。方法:对41例经常规心电图明确为SⅠSⅡSⅢ患者再行心电向量图检查。结果:SⅠSⅡSⅢ患者心电向量图QRS环在不同平面均有改变,其中横面、额面改变最为明显,其主要表现为终末向量显著向右后上移位,向右后上向力增大,右后上、下象限面积增大,分别呈右心室肥大、右心室流出道肥厚的心电向量图改变。结论:对心电图明确为SⅠSⅡSⅢ患者,建议做心电向量图检查明确其性质。
Objective: To investigate the changes of electrocardiogram (ECG) in patients with SⅠSⅡSⅢ electrocardiogram. Methods: 41 cases of conventional electrocardiogram identified as S Ⅰ S Ⅱ S Ⅲ patients re-ECG test. Results: QRS ring of QRS ring in patients with SⅠSⅡSⅢ changed in different planes, of which the horizontal and frontal changes were the most obvious. The main manifestations were that the terminal vector was significantly shifted to the right and then upward, and the force to the right and the back increased , Right after the upper and lower quadrant area increased, respectively, right ventricular hypertrophy, right ventricular outflow tract hypertrophy ECG vector diagram changes. Conclusion: The electrocardiogram is clear for S Ⅰ S Ⅱ S Ⅲ patients, it is recommended to do ECG vector chart clear its nature.