pulse recording

例句：

1. 1.The doctor needs to monitor the patient's heart rate during the procedure.
   医生在手术过程中需要监测患者的心率。
2. 2. During the game, the referee used a pulse recording to ensure fair play.
   比赛中，裁判使用脉搏记录确保比赛公平。
3. 3. The ECG showed that the patient had atrial fibrillation, which required immediate treatment.
   心电图显示患者有房颤，需要立即治疗。