This Module is Module 7 in a 13 module eCourse series on Stats, Cardiac Cycle, Basic Echo Exam. For information on the full Pediatric Echocardiography, please click here. In this module we will discuss 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 produce suspicion for the problem.