Cardiac Anatomy and Physiology. Electrical Activity of the Heart. How an Electrocardiograph Works. Electrocardiographic Configuration and Nomenclature. Electrocardiographic Language of Direction. Bipolar Limb Leads. How to Draw a QRS Vector with the Triaxial System. Unipolar Limb Leads. Frontal Plane Hexaxial System. Normal Frontal Plane QRS, T, and P Vector Ranges and Patterns. Horizontal Plane Electrocardiogram. How to Recognize a Normal ECG. Dipole Concept. How to Produce a Good ECG Tracing. Initial Activation and the Septal Valve. Bundle Branch Block. Myocardial Infarction. Initial Vector Abnormalities in Preexcitation Syndromes. Terminal QRS Changes in Myocardial Infarction. S-T Vector of Myocardial Infarction and Injury. T Wave of Myocardial Infarction and Ischemia. Nonischemic T Abnormalities. Benign T Abnormalities and Syndromes. Left Ventricular Hypertrophy. Atrial Overloads. Arrhythmia Diagnosis: Nodal Abnormalities, Escape Beats, and Premature Atrial Contractions. Arrhythmia Diagnosis: Premature Ventricular Contractions, Alternans, and Ectopic Tachycardis. Electronic Pacemakers. Bundle of His Recordings. Systematic Approach to Reading an Electrocardiogram. Index.