cardiac electric axis

例句：

1. 1.The patient's cardiac electric axis wastilted to the right.
   患者的心脏电轴向右倾斜。
2. 2. The doctor ordered an electrocardiogram to check the patient's cardiac electric axis.
   医生要求进行心电图检查以检查患者的心脏电轴。
3. 3. Thestudy found that the cardiac electric axis couldbe a predictor of heart disease.
   研究发现，心脏电轴可能是心脏病的一个预测指标。