9月20日，深圳北站发生惊险又温暖的一幕:78岁的老人在出站口突然晕倒，情况危急。幸运的是， 在车站工作人员、热心旅客、交警和医护人员的合力救援下，老人转危为安。10月17日，李女士一家再 三恳切表达谢意，来自广东省人民医院的蒋宏凯、宗若愚夫妇二人才透露姓名、收下了一封感谢信。李 女士接受南都记者采访时呼吁，希望更多人能学习心肺复苏，加入"黄金4分钟"救助行动中。 回顾这场救援，用李女士提到的一句话总结就是:"从晕倒到送医，整整15分钟没有1秒浪费，这就 是我父亲能活下来的原因。"除了当值客运员紧急有序地协调响应，两位热心医护人员在"黄金4分钟"内 的加入也不可忽视。 可以说，老人获得了最及时有效的心肺复苏救助，是赢下这场生死赛跑的关键。新闻提到，医护夫 妇在现场初步判断老人心脏骤停，随即便开始进行胸外按压。根据数据统计，我国每年死于心脏骤停的 总人数约54万人，其中只有不到1%的人能成功获救，相当于每分钟就有1人发生心源性猝死。心脏骤停 发生后，由于脑血流突然中断，10秒左右病人即可出现意识丧失，如在4～6分钟黄金时段及时救治，存 活概率较高，否则将发生生物学死亡。 获救率如此之低，不仅是因为心源性猝死往往 ...

Group 1: Heart-related Sudden Deaths - Sudden cardiac arrest incidents during sports activities are increasingly reported, often resulting in tragic outcomes [1] - In China, approximately 760,000 people die from sudden cardiac events annually, with over 90% occurring outside hospitals [3] - The demographic most affected by out-of-hospital cardiac arrests are males aged 60-89, with a significant occurrence in the elderly population [3] Group 2: AED and CPR Importance - The survival rate for patients receiving CPR is significantly higher when performed within the first four minutes of cardiac arrest [5][6] - AEDs (Automated External Defibrillators) combined with CPR can greatly enhance the chances of survival during cardiac emergencies [1][7] - Japan's AED Foundation reported survival rates of 54.2% when AEDs are used, highlighting their effectiveness in emergency situations [7] Group 3: AED Deployment and Market Growth - China's AED market is projected to grow from 11.31 billion yuan in 2022 to 16.12 billion yuan by 2028, with a CAGR of 6.1% [9] - The current AED deployment in Shanghai is 26.5 units per 100,000 people, indicating a need for improvement compared to developed regions [7] - The Chinese government has initiated projects to increase AED availability, with plans to add 7,500 units in Shanghai by 2025 [7][8] Group 4: Domestic AED Development - Domestic companies are rapidly advancing AED technology, with a projected 79% localization rate in the market by 2024 [10] - Major local manufacturers like Mindray and Yuwell are launching new AED models with enhanced features, indicating a competitive landscape [11] - The focus on social benefits drives government procurement of AEDs, leading to a concentrated market with domestic brands gaining a competitive edge [10]