The different vascular ring anomalies can be explained by first reviewing the normal embryogenesis of the aortic arches, and then showing the abnormalities of development that lead to each vascular ring anomaly.

Click on one of the following selections to view the presentations: 

• Normal Aortic Arch Development
• Diagnosis & Epidemiology of Vascular Rings

• Persistent Right Aortic Arch

• Double Aortic Arch

• Retroesophageal Left Subclavian Artery

• Retroesophageal Right Subclavian Artery

• Right Ligamentum Arteriosum

• Co-existent Venous Anomalies
• Pseudo-Vascular Ring Anomalies