(来学网)超声估测主动脉瓣反流的程度,是用瓣口反流束宽度/左心室流出道宽度,重度反流其分数应为
  • A.
    (来学网)≥35%
  • B.
    (来学网)≥45%
  • C.
    (来学网)≥50%
  • D.
    (来学网)≥60%
  • E.
    (来学网)≥65%