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Fig. 3 | BMC Pregnancy and Childbirth

Fig. 3

From: Fetal double aortic arch: prenatal sonographic and postnatal computed tomography angiography features, associated abnormalities and clinical outcomes

Fig. 3

DAA with distal left aortic arch atresia on fetal echocardiography. a Nonstandard three-vessel tracheal view of gray-scale imaging: The vascular echo at the distal end of the left aortic arch is interrupted and replaced by a fibrous cord (arrowhead). b. Nonstandard three-vessel tracheal view of color Doppler imaging shows the interruption of color flow at the distal end of the left aortic arch(arrowhead) and an incomplete vascular ring(L-ARCH: left aortic arch; DAO: descending aorta; T: trachea)

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