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NIH GARD Information: Congenitally corrected transposition of the great arteries

This information is provided by the National Institutes of Health (NIH) Genetic and Rare Diseases Information Center (GARD).

Synonyms

  • Transposition of the great arteries, congenitally corrected
  • Transposition of the great vessels, congenitally corrected
  • Congenitally corrected transposition of the great vessels

Overview

Congenitally corrected transposition of the great arteries is a rare heart defect that occurs when the ventricles and attached valves are switched. As a result, the aorta and the pulmonary artery are connected to the wrong lower heart chambers.[4857][4858] Click here to visit MayoClinic.com and view an image of this heart defect. While the oxygen-poor blood still flows to the lungs, and oxygen-rich blood still flows out to nourish the body, other heart problems (such as septal defects, pulmonary stenosis, tricuspid regurgitation, and heart block) are often associated with this defect and require treatment.[4858]

For more information, visit GARD.

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