(FIT)-Module 1, Workshop 1: Electrocardiographic/Electrophysiologic Correlation-Miller Case 3 Question

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Video Summary

Third question, the three-year-old man undergoes electrophysiologic study for evaluation of recurrent syncope. Ventricular pacing is performed and based on the recordings and the tracing attached, you conclude retrograde conduction is present over the AV node, retrograde conduction is present over right lateral accessory pathway, retrograde conduction is absent, block is in the hysperkinesis system, retrograde conduction is absent with block in the AV node, or retrograde conduction is absent but cytoblock is indeterminate. Here's the tracing.

Keywords

electrophysiologic study

recurrent syncope

ventricular pacing

retrograde conduction

accessory pathway