# Atrial Septal Defect (ASD) Repair Unveiling an Unusual Conduction Conundrum: A Wenckebach Case Report

## TL;DR

This case report describes a patient with a repaired atrial septal defect who developed a rare heart rhythm issue called Wenckebach after a minimally invasive procedure.

## Contribution

The paper presents a unique clinical case linking percutaneous ASD repair with a new-onset Wenckebach rhythm.

## Key findings

- A patient developed Mobitz type 1 Wenckebach rhythm after percutaneous ASD repair.
- The case highlights potential conduction system complications from minimally invasive ASD interventions.
- Emergency department presentation was required due to the arrhythmia.

## Abstract

Atrial septal defects are a common congenital malformation that can lead to an elevated risk for stroke due to the bypass of the lungs by deep vein thrombosis, as well as the expected repercussions of pulmonary hypertension if left untreated. Surgical intervention is definitive; however, recent advancements in treatment options, such as percutaneous intervention, represent a safer and equally effective way to treat this congenital complication. While safer, percutaneous interventions can also lead to adverse events that may force patients to present to the emergency department. Here, we present a unique case of a patient with congenital atrial septal defect status post-percutaneous intervention who developed a new-onset second-degree AV block, Mobitz type 1 Wenckebach rhythm.