Obstructed Infradiaphragmatic Total Anomalous Pulmonary Venous Return in a 13-Day-Old Infant Presenting Acutely to the Emergency Department: A Case Report

Despite improvements in antenatal and newborn screening, congenital heart disease often remains an elusive diagnosis. Some patients with these critical lesions are discharged home before the manifestation of their disease becomes apparent. Once symptomatic, these patients often present to the ED in extremis. We conclude that it is important to recognize this presentation to ensure proper evaluation and early diagnosis. If misdiagnosed, many of the usual therapies for other diseases could be detrimental.