1. Basic Anatomy -- 2. The History and Workings of the Electrocardiogram -- 3. The Electrical System -- 4. Heart Rate -- 5. Intervals -- 6. How to Measure Axis -- 7. The P Wave Axis -- 8. Hemiblock -- 9. Right Bundle Branch Block -- 10. Left Bundle Branch Block -- 11. The T Axis -- 12. ST Segment Depression -- 13. ST Segment Elevation -- 14. Inferior Q Waves (Initial QRS Axis) -- 15. Anterior Q Waves (Initial QRS Axis) -- 16. Atrial Abnormalities -- 17. Left Ventricular Hypertrophy -- 18. Right Ventricular Hypertrophy -- 19. Clinical Conditions Affecting the EKG -- 20. Putting It All Together: Practice EKGs -- Answers to EKGs