(来学网)重度主动脉瓣狭窄的跨主动脉瓣平均压力阶差至少应大于
  • A.
    (来学网)35mmHg
  • B.
    (来学网)40mmHg
  • C.
    (来学网)45mmHg
  • D.
    (来学网)50mmHg
  • E.
    (来学网)55mmHg