目的探讨小剂量多巴酚丁胺负荷超声心动图(LDDSE)检测心肌梗死后存活心肌的价值。

Objective To assess the value of low-dose dobutamine stress echocardiography (LDDSE) for detecting survival myocardium.

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目的：评估磁共振多技术扫描和小剂量多巴酚丁胺负荷超声心动图(LDDSE)检测心肌活性的价值。

Objective: To assess the value of multiple MR techniques and low-dose dobutamine stress echocardiography (LDDSE) in detecting myocardial viability.

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目的探讨小剂量多巴酚丁胺负荷超声心动图（LDDSE）预测存活心肌的价值及评价存活心肌的预后状况。

Objective To detect survived myocardium by low dose dobutamine stress echocardiography (LDDSE) and evaluate the prognosis of survived myocardium.

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