WHO推荐的EF正常值是

  • A: LVEF大于50%,RVEF大于40%
  • B: LVEF大于40%,RVEF大于50%
  • C: LVEF大于55%,RVEF大于55%
  • D: LVEF大于45%,RVEF大于45%
  • E: LVEF大于50%,RVEF大于50%

答案:

解析: