1·So we did a test called an intracoronary ultrasound, where you use soundwaves to look at the artery from the inside out.
于是我们做了一个叫冠状动脉内超声波的测试， 也就是用声波从里到外来看动脉。
2·Objective To evaluate the clinical therapeutic effectiveness and safety of intracoronary stenting in senile patients with coronary heart disease.
目的评价老年冠心病患者冠状动脉内支架置入术的临床疗效和安全性。
3·Objective: To investigate the prevention and nursing of complications after intracoronary stenting.
前言：目的：探讨冠状动脉内支架植入术后并发症的预防及护理。