This document provides an overview of electrocardiogram (EKG/ECG) interpretation. It discusses the basic concepts of EKG including how it records the electrical activity of the heart on the body surface. It then outlines the main steps in EKG interpretation as assessing the rhythm, rate, axis, signs of hypertrophy, ischemia, and infarction. The document further explains various normal and abnormal cardiac rhythms and conditions that can be identified on EKG such as premature beats, arrhythmias, conduction blocks, and changes seen in conditions like myocardial infarction.