Coronary anatomy and physiology -- Electrophysiology -- Lead morphology and placement -- Technical aspects of the EKG -- Calculating heart rate -- How to interpret a rhythm strip -- Rhythms originating in the sinus node -- Rhythms originating in the atria -- Rhythms originating in the AV junction -- Rhythms originating in the ventricles -- AV blocks -- Rhythm practice strips -- How to interpret a 12-lead EKG -- Myocardial infarction -- Artificial pacemakers -- 12-lead EKG practice -- Cardiac medications and electrical therapy -- Diagnostic electrocardiography -- Putting it all together: critical thinking scenarios.