(一)紧急冠状动脉造影。右前斜尾视图显示严重狭窄的中期LMCA(箭头所指)。LMCA:左主干冠状动脉;左冠状动脉前降小伙子:;LCX:左动脉。(b)血管内超声的研究。白线的部分显示低衰减斑块在整个圆周的船溃疡LMCA中期(箭头)。LMCA:左主干冠状动脉;左冠状动脉前降小伙子:;LCX:左动脉。 (c) Final coronary angiography. Right anterior oblique caudal view showing no significant LMCA stenosis with grade 3 TIMI flow after stent implantation (arrow). LMCA: left main coronary artery; LAD: left anterior descending artery; LCX: left circumflex artery.