(A) Double aortic arch, viewed from anterior. The right arch is usually the larger of the 2 arches. A ligamentum arteriosum connects the left arch to the pulmonary artery.
(B) A computer-reconstructed image of a magnetic resonance angiogram viewed from postero-superior. The star is in the center of the vascular ring, where the trachea and esophagus are encircled (not shown in this projection).Panel A: Reproduced with permission from: Fyler D, Nadas AS. Nadas' Pediatric Cardiology, 1st ed, Hanley and Belfus, Philadelphia 1992. Copyright © 1992 Elsevier.
Panel B: Courtesy of Laureen M Sena, MD.Do you want to add Medilib to your home screen?