假如未触及脉搏,说明心跳已停。在通知救护车的同时,应立即开始心肺复苏。心肺复苏是人工呼吸和人工循环(即胸外心脏按压)二者的结合。把病人放在地板上,跪在病人身边,保持其下颏向上,以维持呼吸道通畅。确定胸骨下端位置,把左手两指放在该处。右手掌根部置于左手指上方,即大约 If you do not touch the pulse, the heartbeat has stopped. At the same time inform the ambulance, CPR should be started immediately. Cardiopulmonary resuscitation is a combination of artificial respiration and artificial circulation (ie, extra-cardiac cardiopulmonary pressing). Put the patient on the floor and kneel near the patient keeping his chin up to keep the airway open. Determine the location of the lower end of the sternum, the left hand where the two fingers. Right palm root placed above the left finger, that is about