This concise guide to EKG interpretation is small enough to fit comfortably in your lab-coat pocket! The perfect resource for nurses in the clinical setting, this concise yet complete resource includes topics such as brief anatomy of the heart, action potential of the cardiac cell, depolarization, and repolarization, abnormal electrical conduction pathways, blood flow of the cardiac conduction system, EKG leads and electrical activity, calculations of heart rate, speedy six step method for twelve lead EKG analysis and much more.