EGM Storyboards are designed to prepare the advanced learner for their IBHRE certification. It demonstrates how to calculate the Sinus Node Recovery Time, how to know if you have Wenckebach, how to calculate various effective refractory periods, before advancing to differential diagnosis methods of Atrial Tachycardia, Atrial Flutter, Atrial Fibrillation, AVNRT, AVRT and Ventricular Tachycardia.