1 General principles of anatomy and cellular electrophysiology -- 2 ECG leads -- 3 Normal ECG -- 4 Electrogenesis of arrhythmias -- 5 Bradyarrhythmias -- 6 Tachyarrhythmias -- 7 Wolff-Parkinson-White syndrome -- 8 Bundle branch blocks -- 9 Genetically determined arrhythmias -- 10 Post pacemaker implantation -- 11 Ischemic cardiomyopathy -- 12 Atrial and ventricular enlargement -- 13 Pericardial and myocardial diseases -- 14 Diseases of the pulmonary circulation -- 15 ECG and special issues.