The AV node and other portions of the conduction system can in abnormal situations become the cardiac pacemaker.

房室结和传导系统的其他部分可以在异常情况下成为心脏起搏器。

youdao

The AV node and other portions of the conduction system can in abnormal situations become the cardiac pacemaker.

房室结和传导系统的其他部分可以在异常情况下成为心脏起搏器。

youdao