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Diagnosis of SVT in the EP lab

(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. Para-Hisian pacing - 53:59 6. Is there dual AV node physiology? - 1:09:02 7. Observations during SVT - 1:31:10 8. V-A time during SVT - 1:48:09 9. Spontaneous SVT termination - 1:52:42 10. Ventricular pacing during SVT - 2:02:42 11. V-A-V vs V-A-A-V - 2:04:58 12. Post-pacing 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. His-refractory PVC - 2:51:54 17. Atrial effect during VOD transition zone - 2:55:31 18. Conclusions - 3:07:22