vectorcardiographic loop

例句：

1. 1. The physician used the vectorcardiogram loop to diagnose the patient's heart condition.
   医生利用向量心电图回路诊断了患者的心脏状况。
2. 2. During the test, the technician monitored the vectorcardiogram loop for any abnormalities.
   在测试期间，技术人员监控了向量心电图回路以查找任何异常情况。
3. 3. The study found that the vectorcardiogram loop was effective in predicting heart disease.
   研究发现，向量心电图回路在预测心脏病方面是有效的。