Keywordscoronaryheartdisease;coronaryarterybypass grating;ehocardiography;speckletrackingimaging;myocardiavalty

冠状动脉粥样硬化性心脏病（冠心病）是由于冠状动脉狭窄或闭塞导致心肌缺血缺氧，严重者可导致（试读）...