• 2022-05-30
    “三凹征”是指( )
    A: 胸骨上窝、锁骨上窝、肋间隙在吸气时明显凹陷
    B: 胸骨上窝、锁骨上窝、肋间隙在呼气时明显凹陷
    C: 胸骨上窝、锁骨上窝、纵膈在吸气时明显凹陷
    D: 胸骨上窝、锁骨上窝、纵膈在呼气时明显凹陷
  • 举一反三