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Updated: Nov 11, 2025

Image Acquisition Method for the Sonographic Assessment of the Inferior Vena Cava
Published on: January 13, 2023
Biatrial Drainage of the Right Superior Vena Cava: Imaging Findings
Mehul D Patel1, Sowmya Balasubramanian1, Adam L Dorfman1
1Division of Pediatric Cardiology, Department of Pediatrics, University of Texas Health Science Center at Houston, 7000 Fannin Suite 1200, Houston, TX 77030 (M.D.P.); Division of Pediatric Cardiology, Department of Pediatrics (S.B., A.L.D., J.C.L.), Section of Pediatric Radiology, Department of Radiology (S.B., A.L.D., A.J., J.C.L., M.G.M.), and Division of Cardiothoracic Radiology, Department of Radiology (M.G.M., P.P.A.), Michigan Congenital Heart Center, C.S. Mott Children's Hospital, University of Michigan, Ann Arbor, Mich.
Abstract:
Biatrial drainage of the right superior vena cava (SVC) is a rare form of interatrial shunting that can have substantial clinical consequences. Cross-sectional imaging techniques (CT and MRI) are well suited for evaluation and surgical planning. This review article focuses on the embryologic development, hemodynamics, and imaging features to enable a timely diagnosis. Biatrial drainage of the right SVC has important clinical implications, and knowledge of its imaging appearance and hemodynamics is essential in diagnosis and treatment planning. © RSNA, 2020.
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