ECG

1. Vectorcardiography.- 2. Usual ECG Leads and Their Interrelation.- 3. Interpretation of the "Electric" Axis of the Heart.- 4. The Normal ECG.- 4.1 The P Wave.- 4.2 The AV Interval (PQ or PR).- 4.3 The QRS Complex.- 4.3.1 QRS Amplitude.- 4.3.2 QRS Duration.- 4.3.3 QR Interval (Intrinsicoid Deflection).- 4.4 The ST-T Segment.- 4.5 The T Wave.- 4.6 The QT Interval.- 4.7 The U Wave.- 5. Memory Aid to Systematic ECG Description and Evaluation.- 6. Ventricular Conduction Disorder - Bundle Branch Block.- 6.1 Unifascicular Block.- 6.2 Bifascicular Bundle Branch Block.- 6.3 Trifascicular Blocks.- 7. The WPW Syndrome.- 8. ECG in Hypertrophy of Individual Chambers of the Heart.- 8.1 ECG in Hypertrophy of the Atria.- 8.2 ECG in Hypertrophy of the Ventricles.- 8.2.1 Depolarization.- 8.2.2 Repolarization.- 8.2.3 Position of the Cardiac Axis.- 9. ECG in Myocardial Infarction.- 9.1 Hypotheses of Necrosis, Injury, Ischemia.- 9.2 Sites of Myocardial Infarction.- 9.3 Course and Classification of Infarcts.- 9.4 Differential Diagnosis of the ECG in Myocardial Infarction.- 9.5 Infarct and Bundle Branch Block.- 10. Changes in the ST-T Segment.- 10.1 Causes of ST-T Changes.- 11. Exercise ECG.- 11.1 Changes in the Exercise ECG Suggestive of Coronary Disease.- 11.2 Doubtful and Prognostically Unreliable Changes in the Exercise ECG.- 11.3 Absolute Contraindications to the Exercise Tolerance Test or Bicycle Dynamometry.- 11.4 Relative Contraindications.- 11.5 Criteria for Discontinuance.- 12. ECG Diagnosis of Arrhythmias.- 12.1 Are (normal) P Waves Present?.- 12.2 What is the Distance Between Individual P Waves?.- 12.3 What is the Shape of the P waves?.- 12.4 What is the Distance of P Waves from the Following QRS Complex?.- 12.5 What is the Distance Between Apparently Identical VentricularComplexes?.- 12.6 What is the Time Relation of Differently Shaped Ventricular Complexes to Each Other or to the Basic Rhythm?.- 12.7 Incidence of Different Types of Arrhythmia.- 13. Pacemaker ECG.- 13.1