atrioventricular atresia

• 房室闭锁

atrioventricular atresia的用法和样例：

例句

1. Morphologic Observation of Canine's Atrioventricular Nodal Junction and Its Clinical Significance.
   犬房室交界区形态结构观察及其临床意义。
2. There was no pati ent complicated with systemic air embolism or permanent atrioventricular conduct ion block.
   全组无体循环气栓和永久性房室传导阻滞发生。