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从急诊病例的抢救、尤其心搏呼吸骤停病人的复苏抢救中,可见虽经抢救恢复了呼吸、心跳、血压及正常的尿量,但其神智得不到恢复。随着急救医学的发展,由心肺脑复苏在80年代进展为脑心肺复苏,展示了复苏以脑功能是否恢复为衡量成败的关键。而意识能否恢复清醒为脑复苏的标志。大脑需要充分的和不断的氧供应,以维持脑代谢。脑循环只要中断10秒钟,就可因缺氧而致昏迷。
From the rescue of emergency cases, especially in resuscitation and rescue of cardiac arrest and resuscitation, we can see that although resuscitation rescued the respiration, heartbeat, blood pressure and normal urine output, but its inability to recover. With the development of emergency medicine, cardiopulmonary resuscitation progressed to CPR in the 1980s, demonstrating the key to the success or failure of resuscitation with recovery of brain function. And consciousness can restore consciousness as a sign of brain recovery. The brain needs a sufficient and constant oxygen supply to maintain brain metabolism. As long as the interruption of the cerebral circulation 10 seconds, can be caused by hypoxia coma.