This course covers the performance and interpretation of the twelvelead electrocardiogram. Emphasis is placed on patient set-up, the cardiac cycle, electrical conduction pathway, normal rhythms, common dysrhythmias, Holter monitoring, and electrophysiology studies/ablations. Upon completion, students should be able to describe ECG set-up, interpret normal and abnormal rhythms, and discuss testing modalities for invasive and noninvasive cardiology.