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左束支阻滞改变了左室激动顺序,可完全掩盖梗塞图形,但从左束支阻滞的心室激动规律去分析QRS波群的变异以及原发性ST-T的改变,仍可以从心电图上诊断心肌梗塞。 (一)QRS波群改变: 1.右侧胸前导联r波加
Left bundle branch block changes the left ventricular activation sequence can completely cover the infarction pattern, but from the left bundle branch block the law of ventricular activation to analyze the variation of QRS wave group and primary ST-T changes can still be from the electrocardiogram On the diagnosis of myocardial infarction. (A) QRS wave group changes: 1. The right chest lead r wave plus