Coarctation of the Aorta Preductal Coarctation: Narrowing is proximal to ductus arteriosus Life-threatening if severe; seen in Turner's syndrome Ductal Coarctation: Narrowing occurs at insertion of ductus arteriosus. Appears when ductus closes Postductal Coarctation: Narrowing is distal to the ductus arteriosus; Most common in adults #Coarctation #Aorta #Preductal #Postductal #Congenital #Diagnosis #Peds #Pediatrics #aortic
