electrocardiographic examination

例句：

1. 1.The doctor ordered an electrocardiographic examination to rule out any underlying heart conditions.
   医生要求进行心电图检查以排除任何潜在的心脏疾病。
2. 2.During the examination, the patient's heart rate and rhythm were monitored closely.
   在检查过程中，密切监测了患者的心率和节律。
3. 3. This test is important for detecting early signs of heart disease, such as arrhythmias.
   这种测试对于检测早期心脏病迹象非常重要，如心律失常。