Front Cover; Contents; Preface; Acknowledgements; 1. The basics of the heartbeat; 2. The basics of the ECG; 3. How to record a 12-lead ECG; 4. How to read a 12-lead ECG; 5. Heart rate: Bradycardia and tachycardia; 6. An approach to heart rhythms; 7. Supraventricular rhythms; 8. Ventricular rhythms; 9. Conduction problems and types of block; 10. QRS complexes and left ventricular hypertrophy; 11. ST segment elevation and depression; 12. T wave changes; 13. QT interval prolongation; 14. Bedside and ambulatory monitoring; 15. Summary of key points; Appendix A: ECG resources.