Heart Conduction System (Cardiac Conduction) - Cleveland Clinic Ideally, the electrical conduction system keeps up a steady, even heart rate It also helps your heart speed up when you need more blood and oxygen or slow down when it’s time to rest Steps of cardiac conduction For each heartbeat, electrical signals travel through the conduction pathway of your heart
How Your Circulatory System Works - Cleveland Clinic Your circulatory system (cardiovascular system) includes your heart and blood vessels Your heart pumps oxygen-rich blood after your lungs add oxygen to your blood
Chambers of the Heart - Cleveland Clinic The heart has four chambers called the right atrium, left atrium, right ventricle, and left ventricle Your heart chambers manage your hearbeat and blood flow
PACEMAKER IMPLANT PROCEDURE - Cleveland Clinic The sinoatrial (SA) node, atrioventricular (AV) node, bundle branches and His-Purkinje network keep the electric impulse moving through your heart If this pathway is interrupted, it causes changes to your heart rate and rhythm The pacemaker uses wires (leads) to sense your heart’s electrical activity
Heart Blood Vessels: Blood Flow - Cleveland Clinic As the heart beats, it pumps blood through a system of blood vessels, called the circulatory system The vessels are elastic tubes that carry blood to every part of the body
THE HEART’S ELECTRICAL SYSTEM - Cleveland Clinic THE HEART’S ELECTRICAL SYSTEM The atria and ventricles work together, alternately contracting and relaxing to pump through the heart electrical system the heart is the power source that makes possible
Transposition of the Great Arteries (TGA) - Cleveland Clinic Transposition of the Great Arteries Transposition of the great arteries is a congenital heart condition that happens when the two main arteries going away from your heart are in the wrong places For many babies with this condition, it affects blood oxygen levels and can be life-threatening without surgery to repair it But the surgery has a very high survival rate