Assessment of myocardial contractile reserve and coronary flow reserve in reperfused myocardium by tissue tracking and color Doppler coronary flow imaging during dobutamine stress

• 应用组织追踪和彩色多普勒冠状动脉血流显像结合多巴酚丁胺负荷试验评价缺血再灌注心肌的收缩储备和冠状动脉血流储备