This student workbook is designed to assist advanced medical-surgical nursing students in understanding and making electrocardiographic (EKG) interpretations. Addressed in the seven units of the workbook are the following topics: EKG indicators, EKG ruled paper divisions, the normal cardiac cycle and pathophysiology, abnormal cardiac waves, atrial and ventricular rhythmycity, EKG heart rate determinations, and analysis of EKG strips. Each unit contains a set of specific learner-related objectives, related learning assignments, review questions or exercises, new terminology, and an introduction to the specific EKG concept covered in the unit. (MN)