Reading an ECG Part I

Reading an ECG is a difficult task. This video will tell you about reference lead. It also deals with heart rate, heart rhythm, P wave and what abnormalities of them are showed in ECG Timeline 0:00 Introduction 0:09 Popular lead and its reason 0:28 Heart rate 0:55 Heart rhythm 1:12 P wave and sinus rhythm 1:56 Morphology of P wave