Thorough and reader friendly, this book elucidates electrocardiograms and its clinical applications. Electrocardiograms are significant and extensively used medical tools for diagnosing disorders such as cardiac arrhythmias, conduction disorders, coronary artery complexes and myocardial infarction. This book presents current achievements in electrocardiography. It provides a complete review of advancements in the medical applications of electrocardiograms. This book is full of illustrations, flow diagrams and algorithms which display the potential future direction for electrocardiography applications. The data in this book explains several unique features of the usage of electrocardiograms in adult and pediatric patients. This book aims to help students and experts to understand electrocardiograms and its uses.