Cor triatriatum anatomy: Difference between revisions
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Revision as of 15:40, 4 September 2012
Cor triatriatum Microchapters |
Diagnosis |
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Treatment |
Cor triatriatum anatomy On the Web |
American Roentgen Ray Society Images of Cor triatriatum anatomy |
Risk calculators and risk factors for Cor triatriatum anatomy |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editors-In-Chief: Priyamvada Singh, M.B.B.S. [2]; Cafer Zorkun, M.D., Ph.D. [3]; Keri Shafer, M.D. [4]; Assistant Editor(s)-In-Chief: Kristin Feeney, B.S. [5]
Overview
During fetal development, a cor triatriatum defect results in a deviation in the formation of the left atrial chamber. This section serves to explain the anatomy of a cor triatriatum defect.
Anatomy
The pulmonary veins enter the proximal left atrial chamber and are separated from distal left atrial chamber by a diaphragm. A small hole in this diaphragm allows some communication to the distal chamber. The right ventricle is enlarged. The fossa ovalis is patent, which allows left-to-right shunting. This interatrial connection usually communicates with the proximal chamber of the right atrium and occasionally the distal chamber communicates with the right atrium. The distal chamber contains the mitral valve and the left atrial appendage.