Objective To evaluate the diagnostic value of echocardiography Figure infective endo-carditis vegetation. Methods 29 cases of patients with infective endocarditis from February 2012 to February 2015 were selected for the study, by echocardiography scanning assess heart patients enrolled vegetation volume, shape performance, distribution, echo and valve damage situation. Re-sults In the 29 cases, attachment site of 10 cases of neoplasm were aortic valve,7 cases were mitral valve, 1 case was tricuspid valve,2 cases were pulmonary valve,5 cases involved the mi-tral and aortic valve in the same time,2 cases were right ventricular septal defect,2 cases were main pulmonary artery with patent ductus arteriosus. Intracardiac vegetations long diameter 4~28mm,hypoechoic strong echo. To postoperative pathological results as reference, intracardiac ex-crescence volume, shape,distribution, quantity closed to the detection results of surgery, echocar-diography could also diagnosis in patients with underlying heart disease and secondary flow dy-namics of change. Conclusion The clinical diagnosis of infectious endocarditis patients,echocar-diography can accurately locate the intracardiac vegetations, and assessing cardiac conditions, to determine the vegetation shape, size and quantity, for clinical treatment and prognosis provide ef-fective support .%目的：探讨感染性心内膜炎赘生物的超声心动图诊断价值。方法将2012年2月~2015年2月29例感染性心内膜炎病例纳入本次研究，通过超声心动图扫查评估入组患者心脏赘生物体积、形态表现、分布、回声与瓣膜损害情况。结果29例患者中，10例赘生物附着部位为主动脉瓣，7例位于二尖瓣，1例位于三尖瓣，2例位于肺动脉瓣，5例同时累及二尖瓣以及主动脉瓣，室间隔缺损右室面以及动脉导管未闭主肺动脉各2例。心内赘生物长径为4~28mm，呈低回声至强回声。以术后病理结果为参照，心内赘生物体积、形态、分布位置、数量基本接近手术检测结果，超声心动图还可诊断患者心脏基础性病变和血流动力学继发性改变。结论在感染性心内膜炎患者临床诊断中，超声心动图能够准确定位心内赘生物，并可评估心脏情况，确定赘生物形态、大小以及数量，为临床治疗和判断预后提供了有效支持。
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