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慢性束支阻滞病人发生完全性房室阻滞的危险性很高.H-Q间期延长常提示传导系统的病变严重,而且,从中可识别出发生房室阻滞或猝死的高危险性病例.本文报道313例希氏束电图证实的慢性束支阻滞病人的临床和心电图资料,以评价H-Q间期延长的临床意义及预防性埋植永久起搏器的经验.
Chronic bundle branch block patients with a high risk of complete atrioventricular block.HQ interval prolongation often indicates that the conduction system of serious disease, and, from which can be identified in a high incidence of atrioventricular block or sudden death cases. This paper reports the clinical and electrocardiographic data of 313 patients with chronic bundle branch block confirmed by His bundle electrogram in order to evaluate the clinical significance of HQ prolongation and the experience of preventive implantable permanent pacemaker.