(FIT)-Module 3 Workshop 4: SVT and VT Invasive and Non-Invasive Correlation-Miles Case 4 Question

Video Transcription

Video Summary

The rhythm post-ablation during isoproterenol infusion suggests that AV node reentry was successfully treated. The tachycardia is most consistent with non-reentrant junctional tachycardia due to isoproterenol. The atrial extra stimulus and ventricular intervals (HIS-IS) indicate the presence of decremental conduction in a slow pathway, rather than the influence of an accessory pathway or atrial tachycardia due to isoproterenol. The ablation removed the reentrant circuit, confirming the successful elimination of the AV node reentry but uncovered other tachycardia characteristics.

Keywords

AV node reentry

isoproterenol infusion

non-reentrant junctional tachycardia

decremental conduction

slow pathway ablation