Comparative studies between the sinus node and the atrioventricular node have revealed relatively few histological differences.
对窦房结和房室结进行比较研究表明,它们在组织学上只有少许差异.
Objective To assess the properties of atrioventricular nodal reentrant tachycardias ( AVNRT ).
目的探讨房室结折返性心动过速 ( 诱发的 ) 的一些特性.
Background - Fetal atrioventricular AV block is an uncommon lesion with significant mortality.
背景 - 胎儿房室传导阻滞罕见,但具有极高的病死率.