Dobutamine stress test combining with mitral annular motion velocity of pulsed Doppler tissue imaging in quantitative assessment of myocardial viability in patients with myocardial infarction是什么意思_Dobutamine stress test combining with mitral annular motion velocity of pulsed Doppler tissue imaging in quantitative assessment of myocardial viability in patients with myocardial infarction在线翻译_英语_读音_用法_例句