To understand cardiac implantable electronic device (CIED) management, the clinician requires a foundation of information regarding CIED purpose, design and function, as well as experience in interpreting CIED output, i.e., electrical assessment of the system, programmed parameters, electrograms, and markers. In addition, one must be able to correlate and interpret the accompanying electrocardiographic tracing with the patient’s clinical presentation. For students of CIED management, be th...