三维超声在评价低剂量替罗非班联合经皮冠状动脉介入治疗术治疗心肌梗死患者心肌微循环灌注及预后中的应用

The application of three-dimensional ultrasound in evaluating myocardial microcirculation perfusion and prog-nosis in patients with myocardial infarction treated with low-dose tirofiban combined with PCI