(来学网)临床上为诊断后壁心肌梗死,常需要加做
  • A.
    (来学网)V1~V3
  • B.
    (来学网)V3~V5
  • C.
    (来学网)V5~V7
  • D.
    (来学网)V7~V9
  • E.
    (来学网)V5~V9