心脏支架可以使那些因为冠状动脉疾病变窄或被阻塞的大动脉打开恢复功能。
Stents open arteries that have become narrowed or blocked because of coronary artery disease.
心脏病发作是由供血的一个或多个冠状动脉阻塞所引起的。
Heart attacks are caused by the blockage of one or more of the coronary arteries that supply blood to the heart.
结论：在急性右冠状动脉阻塞时，迷走神经对心脏房室传导调节功能增强。
Conclusion: the regulating function of vagus nerve on atrioventricular conduction is augmented after acute ischemia related to the right coronary artery.
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