The Doppler flow spectrum showed that the increase in the frequence and amplitude of positive flow spectrum could be important to the diagnosis of the congenital heart disease.

 
  • 结论多普勒超声探测胎儿肝静脉血流频谱是完全可行的,其正向血流增高增多可为临床诊断胎儿某些先心病提供重要依据。
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