pacemaker electrode

例句：

1. 1. The pacemaker electrode is usedto monitor the heart's rhythm duringsurgery.
   起搏器电极用于在手术期间监测心脏的节律。
2. 2. The pacemakerelectrode helps to maintain a steady heartbeatduring sleep.
   起搏器电极有助于在睡眠期间保持稳定的心跳。
3. 3. The pacemaker electrode is inserted intothe chest cavity and connected tothe heart's electrical system.
   起搏器电极被插入胸腔并与心脏的电系统连接。