cardiac monitor

例句：

1. 1.The patient's heart rate was monitored during the surgery.
   在手术期间，患者的心率被监测。
2. 2.The cardiac monitor showed that the patient had a high blood pressure.
   心脏监测仪显示患者血压高。
3. 3. The cardiac monitor helped doctors to detect any irregularities in the patient's heartbeat.
   心脏监测仪帮助医生检测出患者心跳的任何不规则现象。