Conduction Dysrhythmia disorders
Heart block
-Delay or electrical impulse conduction in heart
-Can occur anywhere in atria between the SA node and AV node or in ventricles between the AV node and the Purkinje fibers
-Conduction defects can be caused by diseased tissue in conduction system
-May be caused by physiological block , as occurs in atrial fibrillation or atrial flutter