其中超声示胎儿异常组染色体异常检出率（33.33%）明显高于21-三体高风险组（4.54%）、不良孕产史组的检出率（9.09%）（P<0.05）。
The detection rate of the chromosomal abnormality of the abnormal fetus detected by ultrasound (33.33%) was higer than the trisomy 21 high risk group(4.54%) and abnormal delivery group(9.09%)(P<0.05).
结论痰热清注射液超声雾化吸入治疗病毒性肺炎疗效确切，无明显不良反应，值得临床应用。
Conclusion Tanreqing injection of ultrasonic atomizing inhalation route to treat viral pneumonia has good clinical application worth with definite effect and no obvious adverse reactions.
为了解营养不良患儿的胃动力及排空情况，应用B型实时超声对30例营养不良患儿液体试验餐后的胃运动与排空功能进行检测。
In an attempt to study the motility and evacuation of stomach, the gastric movement and evacuation were measured by using B-ultrasonography in 30 children with malnutrition after liquid test meal.
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