Description: This module is Module 7 in a 13 Module Pediatric Echocardiography eCourse series. For information on the full Pediatric Echocardiography eCourse, please click here. In this module Dr. Humes discusses coarctation of the aorta, interrupted aortic arch and the group of problems referred to as a vascular ring. This is a fairly complex group of congenital lesions which often result in significant pathology and symptoms. It is important to recognize both the defects as well as the symptoms which initiate suspicion for the problem.