Fig. 3From: Study on the views and methods of ultrasonic screening and diagnosis for abnormal aortic arch in infantsSchematic drawing of normal left aortic arch long axis view. a Schematic drawing. b Ultrasound images. The left aortic arch is continuous and sends out the brachiocephalic trunk and left common carotid artery and left subclavian artery, right pulmonary artery is under the aortic arch. ARCH:aortic arch; BT: brachiocephalic trunk; LCCA: left common carotid artery; LSA: left subclavian artery; RPA:right pulmonary arteryBack to article page