1. Gail Walraven, Basic Arrhythmias, Sixth Edition ©2006 by Pearson Education, Inc., Upper Saddle River, NJ Appendix A Cardiac Anatomy and Physiology

2. Gail Walraven, Basic Arrhythmias, Sixth Edition ©2006 by Pearson Education, Inc., Upper Saddle River, NJ Layers of Heart Wall  Endocardium: contains branches of heart’s electrical conduction system  Myocardium: made up of layers and bands of cardiac muscle fibers  Epicardium: single layer of cells supported by connective tissues; contains nerves to heart and coronary blood vessels

3. Gail Walraven, Basic Arrhythmias, Sixth Edition ©2006 by Pearson Education, Inc., Upper Saddle River, NJ Internal Anatomy of the Heart

4. Gail Walraven, Basic Arrhythmias, Sixth Edition ©2006 by Pearson Education, Inc., Upper Saddle River, NJ Walls of the Heart  Endocardium  Myocardium  Pericardium

5. Gail Walraven, Basic Arrhythmias, Sixth Edition ©2006 by Pearson Education, Inc., Upper Saddle River, NJ Walls of the Heart

6. Gail Walraven, Basic Arrhythmias, Sixth Edition ©2006 by Pearson Education, Inc., Upper Saddle River, NJ Heart Valves  A-V Valves  Tricuspid  Mitral (Bicuspid)  Semilunar Valves  Pulmonic  Aortic

7. Gail Walraven, Basic Arrhythmias, Sixth Edition ©2006 by Pearson Education, Inc., Upper Saddle River, NJ Heart Valves

8. Gail Walraven, Basic Arrhythmias, Sixth Edition ©2006 by Pearson Education, Inc., Upper Saddle River, NJ Blood Flow through the Body

9. Gail Walraven, Basic Arrhythmias, Sixth Edition ©2006 by Pearson Education, Inc., Upper Saddle River, NJ Coronary Circulation

10. Gail Walraven, Basic Arrhythmias, Sixth Edition ©2006 by Pearson Education, Inc., Upper Saddle River, NJ Cardiac Cycle  Cardiac cycle  Systolic Phase: Contraction  Diastolic Phase: Relaxation

11. Gail Walraven, Basic Arrhythmias, Sixth Edition ©2006 by Pearson Education, Inc., Upper Saddle River, NJ Systole and Diastole

12. Gail Walraven, Basic Arrhythmias, Sixth Edition ©2006 by Pearson Education, Inc., Upper Saddle River, NJ Surfaces of the Heart