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文氏型房室传导阻滞同时伴有四相束支传导阻滞临床上较为少见,这种束支阻滞亦称慢频率依赖性束支传导阻滞,它是束支阻滞中的一种特殊表现形式。主要是由于心脏传导组织细胞的极化不足,膜反应性降低以及阈电位向零水平偏移而引起。兹将我们见到的二例报告分析如下。临床和心电图资料例一男性,13岁。因发热,关节酸痛及手足舞蹈症诊断为“急性风湿热”于1978年9月20日入院。入院时记录的心电图II导联
Venturi-type atrioventricular block accompanied by four-phase bundle branch block is clinically rare, the bundle branch block, also known as slow frequency-dependent bundle branch block, which is one of the bundle branch block Special form of expression. Mainly due to insufficient polarization of cardiac conduction tissue cells, decreased membrane reactivity and a shift of the threshold potential to zero level. We will analyze the two cases we have seen below. Clinical and electrocardiographic data example a male, 13 years old. He was admitted to hospital on September 20, 1978 because of fever, arthralgia and hand, hand and foot chorea diagnosed as “acute rheumatic fever”. ECG recorded on admission II lead