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Article
August 1995

Radiological Case of the Month

Author Affiliations

From the Department of Diagnostic Radiology, State University of New York, Health Sciences Center at Brooklyn.

Arch Pediatr Adolesc Med. 1995;149(8):921-922. doi:10.1001/archpedi.1995.02170210095017
Abstract

AN 11-DAY-OLD female infant was brought to her physician because of screaming and irritability after feedings. A diagnosis of abdominal colic was made, and the infant's formula was changed. The postprandial screaming and irritability continued, and the mother sought a second opinion. The infant was now found to have lost weight and to have a rapid respiratory rate. The mother was told that the child might have a cardiac condition, and the infant was brought for further workup. A chest radiograph was obtained (Figure 1).

Denouement and Discussion 

Coarctation of the Aorta  Coarctation of the aorta is a common congenital disorder of unknown origin and accounts for 6% of congenital anomalies.1 Martin et al2 have found that radiologists suggest coarctation infrequently, despite the well-described radiologic signs. A chest radiograph in this case showed a low aortic knob (Figure 2). The remainder of the radiograph was unremarkable. An echocardiogram

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