宁波29岁外卖小哥送餐途中摔倒在地心脏骤停，危急时刻一群人20分钟接力心肺复苏！

Core Viewpoint - The article highlights a miraculous rescue of a 29-year-old delivery worker who suffered a cardiac arrest while on duty, emphasizing the importance of timely intervention and teamwork in emergency medical situations [1][9]. Group 1: Incident Overview - The incident occurred on January 21, when the delivery worker collapsed due to cardiac arrest while delivering food in freezing temperatures of -2°C [1]. - Bystanders, including fellow delivery workers, quickly initiated emergency procedures, with one calling for an ambulance and another preparing for chest compressions [1][2]. Group 2: Emergency Response - Dr. Shi Wenwen, a resident doctor, arrived at the scene and took charge of the resuscitation efforts, performing chest compressions while guiding others [2]. - The arrival of the 120 emergency services was timely, with police ensuring the area was secure for the rescue operation [2][4]. Group 3: Hospital Treatment - Upon arrival at the hospital, a multi-disciplinary team was assembled to provide comprehensive care, including a targeted temperature management protocol to protect the brain from damage due to oxygen deprivation [6]. - The medical team monitored the patient closely, implementing a cooling treatment to preserve brain function after cardiac arrest [6][7]. Group 4: Recovery and Outcome - After 72 hours of treatment, the patient began to regain consciousness, and within six days, he was moved out of intensive care [7][10]. - The successful rescue was attributed to the seamless coordination between bystanders and medical professionals, as well as the effective hospital treatment that followed [9][10].