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心脏超声造影对于心血管疾病具有明确临床诊断的作用，临床工作者要熟知心脏超声造影剂的种类及临床应用范围，以提高疾病诊断的敏感性。“,”Contrast echocardiography have an established role in diagnosis of cardiovascular diseases,and physicians should know the type of contrast agents and when to perform contrast echocardiography clearly,which can improve the sensibility of disease diagnosis.