The document covers the fundamentals of ECG and cardiac electrophysiology, detailing the heart's conduction system, action potentials in cardiac tissues, and the influence of the autonomic nervous system. It explains components such as the SA node, AV node, and Purkinje fibers, as well as the phases of the cardiac cycle and the electrical activity recorded on an ECG. Furthermore, it addresses the blood supply and nerve supply essential for the heart's electrical functions.

1. Fundamentals of ECG
Cardiac Electrophysiology
Dr. Md.Toufiqur Rahman
MBBS, FCPS, MD, FACC, FESC, FRCP, FSCAI,
FCCP,FAPSC, FAPSIC, FAHA,FACP
Professor & head of Cardiology
CMMC, Manikganj
Ex professor of cardiology,
NICVD, Dhaka
drtoufiq1971@gmail.com

2. Conduction system of the heart
Action potential of cardiac tissues
Cardiac cell architecture
Blood supply of conduction tissue of heart
Influence of autonomic nervous system on heart
Conduction of impulse
Cardiac cycle
Electrical vector
Recording and presentation of Electrical activity of the heart
Parts and components of a normal ECG
Fundamentals of ECG
Electrophysiology

3. • SA node
• Ionic Basis of Electrical Activity in Pacemaker Cells
• Secondary/ Latent pacemaker
• How Atrial impulse is transmitted?
• AV node
• Bundle of His
• Purkinje fibers/ventricular myocardium
Fundamentals of ECG
Conduction system of the heart

4. Fundamentals of ECG
Conduction system of the heart

5. Fundamentals of ECG
Origin and propagation of cardiac impulse

6. Fundamentals of ECG
Action potential of SA node and contractile myocardium

7. Fundamentals of ECG
Action potential of pacemaker cell

8. Fundamentals of ECG
Electrophysiology

9. Fundamentals of ECG
Different phases of action potential/ contractile tissue

10. Fundamentals of ECG
Conduction system of the heart

11. Fundamentals of ECG
Electrophysiology

12. Fundamentals of ECG
Electrical impulse and pacemaker hierarchy

13. Fundamentals of ECG
Schematic representation of the trifascicular bundle branch system

14. Fundamentals of ECG
Electrophysiology
Electrical transmission in the ventricular wall

15. Fundamentals of ECG
Myocardial syncytium

16. Fundamentals of ECG
Intercalated disk and gap junction

17. Fundamentals of ECG
Blood supply of conduction system of the heart

18. Fundamentals of ECG
Autonomic nerve supply of the heart

19. Fundamentals of ECGPhases of cardiac cycle

20. Fundamentals of ECG
Phases of cardiac cycle

21. Fundamentals of ECG
Relation with aortic and ventricular pressure

22. Fundamentals of ECG
Atrial cycle

23. Fundamentals of ECG
Electrophysiology/ Refractory period

24. Fundamentals of ECG
Electrophysiology/ Vector

25. Fundamentals of ECG
Electrophysiology/Vector

26. Fundamentals of ECG
Electrophysiology/ECG waves & intervals

27. Fundamentals of ECG
Different Waves , segments and intervals of an ECG

28. Fundamentals of ECG
Electrophysiology