AIM: To analyze the sensitivity, specificity and receiver operating characteristic (ROC) curve of echocardiography for diagnosis of coronary artery disease.
目的：对超声心动图诊断冠心病的特异性、敏感性和ROC曲线进行分析，评价其诊断价值。
Conclusion Echocardiography CDFI could diagnose the left coronary artery arising from pulmonary artery. It provides abundant information for the diagnosis and treatment.
结论超声cdfi可以诊断左冠状动脉起源于肺动脉，它为该病的诊断与治疗提供丰富的信息。
Objective To evaluate Color Doppler Echocardiography diagnosis value for fetal heart valve disease.
目的探讨多普勒超声心动图对胎儿瓣膜性心脏病的诊断价值。
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