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电轴显著左偏,是指平均额面位 QRS 角( QRS)在-30°以上。在无下壁心肌梗塞的情况下,一般认为系心室内左前半支传导阻滞所致,近年来定名为左前半支阻滞。急性或慢性电轴左偏和室内传导时间的关系,目前尚有分歧意见。为此,作者研究发生电轴左偏前后的室内传导时间,以分析电轴偏移和室内传导时间的关系。方法:
Axis significant left deviation, refers to the average frontal QRS angle (QRS) at -30 ° above. In the absence of inferior myocardial infarction in the case, is generally believed that Department of ventricular left front half of the block caused by conduction in recent years, known as the left anterior half block. Acute or chronic axial left deviation and indoor conduction time, there are still differences of opinion. For this reason, the author studied the conduction time before and after left deviation of the electric axis to analyze the relationship between the electric axis deviation and the conduction time in the room. method: