Truncus arteriosus
Truncus arteriosus
Normally the aorta arises from the left ventricle and the pulmonary artery arises from the right ventricle. In truncus arteriosus both vessels are combined into one vessel. A hole between the two ventricles is usually also present. As a result, unoxygenated and oxygenated blood mix completely. This causes too much blood to be sent to the lungs and not enough oxygenated blood to get to the heart and the rest of the body.
Review Date:
10/23/2023
Reviewed By
Michael A. Chen, MD, PhD, Associate Professor of Medicine, Division of Cardiology, Harborview Medical Center, University of Washington Medical School, Seattle, WA. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.
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