cardiac work index

例句：

1. 1. The cardiac work index is animportant indicator of heart function.
   心脏工作指数是衡量心脏功能的重要指标。
2. 2. The patient's cardiac work index was elevated,indicating a need for further evaluation.
   患者的心脏工作指数升高，需要进一步评估。
3. 3. Thedoctor recommended the patient to monitor their cardiacwork index regularly.
   医生建议患者定期监测心脏工作指数。