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目的：通过对比经食管超声心动图(TEE)与多层螺旋增强CT(MSCT)两种方法在检测左心耳血栓筛选中的检出率，探讨它们对于左心耳血栓的诊断价值。方法收录于2015年1~6月就诊北京阜外医院的248例房颤患者，分别进行MSCT及TEE检查，两种检查在3d内完成，把TEE的结果与MSCT检出左心耳血栓情况进行对比评价。结果 MSCT诊断左心耳内血栓的敏感性25%，特异性97%，阳性预测值为20%，阴性预测值为98%，两者诊断左心耳血栓一致性的Kappar值为25%。结论 TEE作为诊断左心耳血栓的首要筛选方法仍然不可取代。“,”Objective To compare the esophageal ultrasound (TEE) and multi slice spiral CT (MSCT) two methods in detecte left auricle thrombus detection rate of screening, to explore the diagnostic value of the left atrium thrombus. Methods Collected in January 2015 to April 2015 visits Beijing fuwai hospital, 248 cases of patients with atrial fibrillation, MSCT and TEE inspections respectively, two check in 3 days, the detection result of the TEE with MSCT left auricle thrombus was comparative evaluation. Results MSCT diagnosis in the left atrium thrombus sensitivity of 25%, specificity of 97%, positive predictive value was 20%, negative predictive value was 98%, both in the diagnosis of left auricle thrombus consistency Kappar value of 25%. Conclusion TEE as a primary screening method for diagnosis of left atrial thrombus still can not be replaced.