RT Journal Article SR Electronic T1 Late Presentation of Double Aortic Arch in School-Age Children Presumed to Have Asthma: The Benefits of Spirometry and Examination of the Flow-Volume Curve JF Respiratory Care FD American Association for Respiratory Care SP 1402 OP 1404 VO 54 IS 10 A1 Derek A Uchida YR 2009 UL http://rc.rcjournal.com/content/54/10/1402.abstract AB Children with double aortic arch most often present in infancy. This report presents 3 patients in whom the diagnosis of double aortic arch was not revealed until later in childhood. They were all given a misdiagnosis of asthma, but abnormalities detected on the flow-volume curve led to the true diagnosis.