(FIT)-Module 5 Workshop 8: Device Cases-Asirvatham Case 3 Answer

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Video Summary

The membranous septum, located at the fusion of the right and non-coronary sinuses near the tricuspid valve, houses the bundle of His. While targeting this site might directly capture the His bundle, high thresholds are expected due to insulation around it. There is minimal risk of compact AV node injury, as it is located in atrial and mid-septal areas, making damage unlikely. However, potential risks include perforating the septum or damaging the His or proximal right bundle when targeting conduction system locations. Far-field atrial sensing could occur due to the atrial tissue in the region.

Keywords

membranous septum

bundle of His

tricuspid valve

AV node injury risk

atrial sensing