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Transposition of the Great Arteries (Vessels)

A heart condition that is present at birth, and often is called a congenital heart defect. Transposition of the great arteries occurs when the two main arteries going out of the heart—the pulmonary artery and the aorta—are switched in position, or “transposed”.

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This effort is supported by funding from the U.S. Centers for Disease Control and Prevention Environmental Public Health Tracking Program, Cooperative Agreement Number 5U38EH000619-02. The contents of this Website are solely the responsibility of the authors and do not necessarily represent the official views of the Centers for Disease Control and Prevention.