However, many physicians did not think of coronary bypass surgery as a specific therapy for heart failure, a condition that is primarily caused by poor heart pump function.

然而，很多医师都不认为搭桥是心衰(一种原发性心脏泵功能衰竭的症状)患者的特异性治疗。

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QRS score had significant changes in the cases with high altitude responses which reached 27.8% in 3 score group. In conclusion, hypoxia showed certain degree influence on heart pump function.

有急性高山反应者，QRS积分的变化显著，3分组达到27.8%，说明低氧对心泵功能有一定的影响。

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The function of the heart is to pump blood through the body.

心脏的功能就是把血液输往全身。

《牛津词典》