According to foreign research, if CPR and AED can be given immediately within 1 minute of sudden cardiac arrest, the success rate of first aid can reach 90%; every subsequent delay of 1 minute, the survival rate will decrease by 7-10%. Once the heartbeat stops for more than 10 minutes, it is easy to cause brain death! It can be seen from the chain of life that CPR plus AED is an important key step in rescuing sudden cardiac death. You are welcome to download this app and join the ranks of guardians!