We report a case of isolation of the left brachiocephalic artery with the right aortic arch in a 9-year-old male child masquerading as large patent ductus arteriosus with left-to-right shunt. We have emphasized the subtle clinical findings which served as clues to the diagnosis.
Keywords: Aortic arch anomalies; isolated left brachiocephalic artery; patent ductus arteriosus; right aortic arch.