动脉搏动描记器

例句：

1. 1. The doctor used a pulseoximeter to check his patient's oxygen levels.
   医生使用脉搏氧饱和度计检查病人的氧气水平。
2. 2. Duringthe surgery, the nurse monitored the patient's heart rate with a blood pressuremonitor.
   在手术期间，护士用血压监测器监测病人的心率。
3. 3. The nursecarefully placed the pulse oximeter onthe patient's finger and started recordingdata.
   护士小心翼翼地将脉搏氧饱和度计放在病人的手指上并开始记录数据。