This cheatsheet covers the most important concepts that you need to know in order to complete your Basic Life Support (BLS) exam.

Sign up for a Basic Life Support (BLS) course from the American Heart Association. Teaches CPR and AED skills for prehospital and in-facility environments.

Basic Anatomy and Physiology Before you learn how to perform CPR, it’s important to understand how the heart, lungs, brain and cells perform. Here is a brief review of these systems.

Complete 2026 BLS algorithms with illustrated guides for CPR, choking interventions, and CAB-D protocols based on the latest AHA guidelines.

That's why Red Cross BLS classes cover best practices for delivering care to infants, children and adults. And because skills can be lost if they're not used regularly, we also offer refresher materials …

Feb 6, 2026 · Basic Life Support (BLS) simply means basic emergency interventions for reviving an individual who has lost their breath or whose heart has ceased beating. BLS entails straightforward …

Jan 17, 2025 · This comprehensive BLS study guide is your tool to master these techniques. We’ll break down each step, ensuring you’re not just certified, but truly prepared to make a difference when it …

Nov 26, 2025 · Basic Life Support (BLS) is a critical set of techniques and procedures to save lives during emergencies where a person's breathing or heartbeat has stopped.

BLS is for when someone’s heart suddenly stops (cardiac arrest), they can’t breathe normally, or have something blocking their airway. Knowing BLS means you can do CPR right, use AEDs, and clear …

Nov 17, 2025 · What Are the Basics of BLS? Basic Life Support (BLS) is an emergency intervention that maintains life in medical emergencies such as cardiac arrest, respiratory difficulty, or blocked …