Sudden cardiac arrest: Why survival rates depend on bystanders like you

Sudden cardiac arrest (SCA) is a life-threatening emergency requiring immediate intervention. Cardiopulmonary resuscitation (CPR) is crucial, involving chest compressions at 100-120 per minute. Bystander CPR significantly increases survival rates, especially when combined with AED use. Prompt action is vital, as delays can lead to irreversible brain damage and decreased survival odds.