American heart association courses offered in Nashville. Affordable prices. BLS, Heartsaver CPR AED, and First Aid classes. Certifications last for 2 years. We also offer online AHA skills checks. AHA cards can usually be provided on the same day. Be sure to let your instructor know when you need your card by. Reaction CPR strives to provide CPR awareness and certifications within the community at a fair and reasonable rate. Everyone should be prepared to save the life of another. By learning CPR, you will be prepared. Make sure to come to reaction cpr for the best quality instruction in the area.