C4横突阻滞术的穿刺点定位是()A、紧靠锁骨上方,相当于环状软骨水平B、胸锁乳突肌锁骨头外侧缘,距锁骨2.5~3cm处C、胸锁乳突肌后缘与颈外静脉交点上1cm处D、胸锁乳突肌后缘中点E、胸锁乳突肌锁骨头后缘,乳突下1cm,后1cm处

C4横突阻滞术的穿刺点定位是()

  • A、紧靠锁骨上方,相当于环状软骨水平
  • B、胸锁乳突肌锁骨头外侧缘,距锁骨2.5~3cm处
  • C、胸锁乳突肌后缘与颈外静脉交点上1cm处
  • D、胸锁乳突肌后缘中点
  • E、胸锁乳突肌锁骨头后缘,乳突下1cm,后1cm处

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