electrocardiophonogram

例句：

1. 1.The electrocardiophonogram revealed the heart's rhythmic activity.
   心电图声谱图揭示了心脏的节律活动。
2. 2.During the examination, the doctor used an electrocardiophonogram to monitor the patient's heartbeat.
   在检查过程中，医生使用心电图声谱图来监测患者的心跳。
3. 3. The study focused on the relationship between electrocardiophonogram and heart disease.
   该研究关注心电图声谱图与心脏病的关系。