Objective To investigate the diagnosis and ablation therapy of multiple atrioventricular node pathways (MAVNP) in patients with multiple types of atrioventricular nodal reentrant tachycardia (AVNRT).

• 目的探讨房室结多径路(MAVNP)合并多种类型房室结折返性心动过速(AVNRT)的诊断和射频消融治疗对策。