Heart Anatomy: Chambers & Valves — ECG Academy Lesson

Four chambers, four valves, one blood-flow loop. Learn the heart structure you need to understand what creates each wave on the monitor.

Learning Objectives

• Name the four chambers and describe their primary functions
• Identify the four cardiac valves and classify them as AV or semilunar
• Trace the direction of blood flow through the right and left sides
• Explain why the left ventricle dominates the QRS complex