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目的:运动超声心动图正常预示着患者的预后良好。多巴酚丁胺负荷超声心动图(DSE)是患有并存病而不能行运动试验者的备选方法。评估DSE正常患者的
Objective: Exercise echocardiography is a normal prognosis of patients with good prognosis. Dobutamine stress echocardiography (DSE) is an alternative to having exercise tests in patients with comorbidity. Evaluate DSE normal patients