The Secondary Pacemaker Control the AV Node

These cells form the atrioventricular node or the AV node, which is an area between the atria and ventricles, within the atrial septum. The cells of the AV node normally discharge at about 40-60 beats per minute, and are called the secondary pacemaker.   When this doesn't function the third chance are the Purkinje fibers

• The Natural Pacemaker
• The Primary Pacemaker
• The Secondary Pacemaker
• The Third Pacemaker Control
• The Control of the Heart Rate