An Incidental Finding of Unroofed Coronary Sinus During Angiography Confirmed By 3D Echocardiography; A Case Report

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AI-generated summary by claude@2026-07, 2026-07-15

This case report details the incidental diagnosis of a partially unroofed coronary sinus causing a bidirectional shunt in a 71-year-old female initially referred for atrial flutter ablation.

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Abstract

Unroofed Coronary Sinus (UCS) is an uncommon congenital heart anomaly and the most unusual type of Atrial Septal Defect.This report presents a-71-year-old female with palpitation and dyspnea following an emotional stress, who was referred for ablation of typical atrial flutter.Finally diagnosed with a partially UCS causing a bidirectional shunt.

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europepmc
last seen: 2026-05-19T01:45:01.086888+00:00