(see below for quick links to jump to topics!) Here are the fundamentals of using intracardiac egms to diagnose the mechanism of SVT. I discuss findings during sinus rhythm, baseline pacing, in SVT, and with pacing maneuvers. Join the club of EP!
1. Introduction 0:00
2. Baseline sinus and programmed stim pacing 7:47
3. Is there a forward conducting accessory pathway? 14:48
4. Is there a backward conducting accessory pathway? 26:53
5. ParaHisian pacing 53:59
6. Is there dual AV node physiology? 1:09:02
7. Observations during SVT 1:31:10
8. VA time during SVT 1:48:09
9. Spontaneous SVT termination 1:52:42
10. Ventricular pacing during SVT 2:02:42
11. VAV vs VAAV 2:04:58
12. Postpacing interval after VOD pacing 2:12:01
13. Anatomic considerations for SVT diagnosis 2:28:11
14. Coumel's Law 2:35:23
15. PVC termination without A advancement 2:44:43
16. Hisrefractory PVC 2:51:54
17. Atrial effect during VOD transition zone 2:55:31
18. Conclusions 3:07:22