pulse machine

例句：

1. 1. The doctor uses a pulse machine to check the patient's heart rate.
   医生使用脉搏机来检查患者的心率。
2. 2. The nurse was monitoring the patient's pulse during the surgery.
   护士在手术期间监测患者的脉搏。
3. 3. The patient was given a pulse machine after the operation to monitor his heart function.
   患者在手术后被给予脉搏机以监测他的心脏功能。