Premature heart beat

• 早搏

Premature heart beat的用法和样例：

例句

1. The earlier heart beat is very dangerous.
   心脏早搏十分危险。
2. These patients generally have many atrial premature beats noted on Holter monitoring.
   通过动态心电图观察到这些患者普遍存在较多的心房早搏。