Cardiac conduction system - Health Video: MedlinePlus Medical Encyclopedia

Your Heart Is an Amazing Organ, but Do You Know Its Anatomy?

AV and SA Nodes: Electrical System of the Heart

Max George shares he's set to have a scan before heart surgery

Stephanie was just seven years old when she was diagnosed with a congenital heart defect. Surgery corrected the issue, but then another heart defect was discovered. Now a mother, wife and working professional, Stephanie is monitored closely by her doctors and may need a second surgery sometime in the future. Stephanie says, “As a CHD survivor and current patient, my heart is always on my mind, and the doctor’s, as well.” This survivor spotlight brought to you by Carle. | American Heart Associati

Atria of the heart