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目的探究产前超声筛查五步检查法在心脏畸形胎儿临床诊断中的应用价值，以为其推广应用提供科学依据。方法选取我院2012年5月~2014年收治的200例孕周15~40 w孕妇实施产前超声筛查，对检出的疑似心脏畸形胎儿进行五步检查法检查，并与超声心动图复查及尸检结果相比对，探究五步检查法诊断价值。结果200例胎儿中心脏畸形胎儿共15例。超声五步检查方法检出13例，诊断准确率86.7%，漏诊2例，漏诊率13.3%。其中严重心脏畸形诊断准确率100%。结论产前超声筛查五步检查法能够有效诊断心脏畸形胎儿并为临床提供科学依据，具有较高的临床应用价值，值得在今后临床诊断工作中推广使用。“,”Objective To explore the five step of prenatal ultrasound screening test in the diagnosis of cardiac malformation fetus clinical application value,thought that wil provide a scientific basis for its popularization and application.Methods Selecting a hospital in May 2012 to 2012 treated 200 cases of gestational age 15~40 weeks pregnant women,implementation of prenatal ultrasound screening for the detection of suspected cardiac malformation fetus five-step method to check,and check with echocardiography and the autopsy compared to,explore the five steps for diagnosing value.Results A total of 15 cases of 200 cases of fetal cardiac malformation fetus.The five step of ultrasonic inspection method,including 13 cases of detection,diagnosis accuracy rate 86.7%,2 cases of misdiagnosis, missed diagnosis was 13.3%.With serious cardiac malformation diagnostic accuracy 100%.Conclusion Prenatal ultrasound screening five-step method can ef ectively and provide scientific basis for clinical diagnosis of cardiac malformation fetus,and has high clinical value,is worth popularizing in the future work in the clinical diagnosis.