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Updated: Dec 24, 2025

Morphological and Functional Assessment of the Right Ventricle Using 3D Echocardiography
Published on: October 28, 2020
A Misdiagnosed Case of Double Outlet Right Atrium Associated With Hypoplastic Right Ventricle
Irene Raso1, Andrea Quarti2, Massimo Chessa3
1Department of Cardiology, Fondazione IRCCS Policlinico San Matteo, University of Pavia, Pavia, Italy.
Abstract:
Double outlet right atrium (DORA) is a rare congenital heart disease in which the right atrium opens into both ventricles. The reduced leftward motion of the interventricular septum causes a malalignment between the atrial and the ventricular septum at the cardiac crux, which is the pathognomonic feature of this heart defect. We describe a case of significant exertional desaturation in an adult patient who was diagnosed with DORA, restrictive right ventricle, and anomalous tricuspid valve. Subsequently, the patient underwent one-and-a-half ventricular palliation.
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