Objective To evaluate the difference of clinical materials and routine echocardiographic parameters between patients with and without viable myocardium in the infarcted areas confirmed by positron emission tomography (PET).

• 目的 观察一组经正电子发射断层扫描技术 (PET)判别心肌功能状态患者的常规超声资料和病史 ,了解心肌梗死区无存活心肌的患者和有存活心肌患者在常规超声检查中的差异情况。