The American Heart Association's mission is to build healthier lives, free of cardiovascular disease and stroke. It supports research, meetings, conferences and more. AHA offers CPR and First Aid classes. It offers healthcare training to improve their lifesaving and caregiving. AHA offers workplace training to improve environments for employees, vendors and customers by educating them in CPR and AED devices. There are many events throughout St. Louis sponsored by AHA. Check their website for upcoming events.