Figure 5From: Aortic obstruction: anatomy and echocardiographyCoarctation of the aorta. (A) Aorta with narrow lumen (black arrows). (B) Suprasternal echocardiographic image reveals the site of the obstruction distal to the left subclavian artery (white arrows). RPA: Right pulmonary artery; 1-Brachiocephalic artery; 2-Left carotid artery; 3-Left subclavian artery.Back to article page