• F M Unger, D J Cavanaugh, G F Johnson, D T Tuuri, and R Beekman.
• Department of Radiology, Children's Medical Center, Dayton, OH 45404.
• Radiographics. 1986 Jul 1; 6 (4): 603-60.

AbstractPrior to echocardiography, the recognition of serious heart disease in the cyanotic newborn or young infant could be extremely difficult. The profound hemodynamic changes taking place in the heart and lungs after birth influence the clinical manifestations of many cardiac disorders, and sometimes suggest the existence of a cardiac disorder when none is present. Real time echocardiography has revolutionalized the diagnosis of the cyanotic infant. If the reason for the infant's cyanosis or respiratory distress is not apparent from the history, physical examination, laboratory values, and chest radiograph; real time echocardiography should be performed to exclude or diagnose cyanotic congenital heart disease and persistent fetal circulation. This will prevent misdiagnosis in cyanotic infants and assure rapid and appropriate treatment.

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