With traditional CPR, you push hard on the chest thirty times, then stop to give two breaths to force air into the lungs.You repeat the steps until the victim can get medical treatment.

 
  • 传统的心脏复苏术通过30次重压胸部迫使空气进入肺部,持续重复这种动作,直至患者能够得到医疗。
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