- objective to investigate the clinical application value of prenatal ultrasound screening for fetal congenital heart disease (chd). - 目的探讨产前超声筛查胎儿先天性心脏病的临床应用价值。 
- conclusion ultrasound screening in the first trimester can effectively detect the abnormal fetuses in some degree, but the second trimester screening is still necessary. - 结论孕早期超声筛查能早期检出部分严重、早发的胎儿异常,但不能替代孕中期超声筛查。 
- results: 41 cases of fetal cardiac malformations detected by ultrasound screening and accurate in 36 cases, diagnosis rate was 87.8%. - 结果41例胎儿心脏畸形中被彩超筛查检出且準确者36例,诊断符合率87.8%; 
- objectiveto evaluate color doppler ultrasound screening in the prenatal diagnosis of fetal cardiac malformations in value. - 目的探讨彩超筛查在产前诊断胎儿心脏畸形中的价值。 
- acoustics detection ultrasound screening pile pipe is execute when the probe into the pile body external channel. - 声测管是灌注桩实行超声检测法时探头进到桩身外部的通道。 
- ultrasound screening of men in this age group can significantly reduce the numbers of men who die from this condition. - 通过超声检查这群年龄男性降低这种情况下的死亡具有重要的意义。 
- materials and methods: on 16 cases of piggyback liver transplantation, a daily chest film, abdomen and thoracic cavity ultrasound screening were performed in the early 7 days after surgery. - 材料和方法:16例背驮式原位肝移植术患者,术后7天内每日行胸片及胸腹部超声检查。 
- to find out the correlation of fetal head and neck abnormality to chromosome disease through ultrasound screening survey. - 通过超声筛查胎儿头颈部异常以找出其与染色体病的相关性。 
- emergency physicians are capable of handling ultrasound screening for abdominal aortic aneurysm (aaa), according to researchers from yale university in new haven, ct. - 康涅狄格州纽黑文市耶鲁大学的研究者认为,急诊内科医师能使用超声对腹主动脉瘤(aaa)进行筛查。 
- conclusion our results suggest b ultrasound screening can be a very handy tool in early diagnosing primary liver cancer, benign and viciousness-potential liver and gallbladder diseases. - 结论b超既能检出早期原发性肝癌,又能查出诸多良性的、或有恶变倾向的隐匿性肝胆疾病,并针对其随访复查。 达到防癌检查的目的。