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迄今为止,对于左前分支阻滞(LAH)的无创伤性检查仍多靠心电图;但对其诊断和鉴别诊断,以及电轴左偏的程度尚缺少统一看法。普遍认为,心电向量图对室内传导阻滞比心电图敏感。本文参考何氏心电向量图分型方法与心电图比较,对电轴左偏进行探讨,试图提高心电图对LAH诊断的准确性。
So far, there are still many electrocardiographs for the non-invasive examination of left anterior branch block (LAH), but there is still no consensus on the diagnosis and differential diagnosis of the left anterior descending artery. It is generally believed that ECG vector plots are more sensitive to ECG than ECG. This article refers to the He electrocardiogram vector graph classification method and ECG comparison, left axis of the axis to explore, in an attempt to improve the diagnostic accuracy of ECG on LAH.