The heart is a big muscle, and like all muscles, it conducts electrical impulses that keep your blood circulating through your body. The entire circulatory system isn’t unlike the electrical system in a house—which most people don’t think about unless the system fails. But when it’s running well, your heart’s electrical system is an amazing thing.
Cleveland Clinic is a non-profit academic medical center. Advertising on our site helps support our mission. We do not endorse non-Cleveland Clinic products or services. Policy
In this white board session, Patrick J. Tchou, MD, Associate Section Head of the Section of Electrophysiology and Cardiac Pacing in the Department of Cardiovascular Medicine, explains how your heart serves as a special power source to keep your blood pumping, beat by beat.