As part of the cardiac catheterization, a procedure called a balloon atrial septostomy may be performed to improve mixing of oxygen-rich (red) and oxygen-poor (blue) blood.

 
  • 作为心导管术的一部分,可能要施行称为球囊房间隔造口的程序以增进富氧血(红)和贫氧血(兰)的混合。
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