(来学网)什么是异常Q波的标准?()
  • A.
    (来学网)Q波时限≥0.03s,幅度≥同导联R波的1/4
  • B.
    (来学网)Q波幅度≥同导联R波的1/3
  • C.
    (来学网)Q波时限≥0.02s
  • D.
    (来学网)Q波时限≤0.03s,幅度≥同导联R波的1/4
  • E.
    (来学网)V1导联QRS波群呈QS型