The congenital cardiac malformation, tricuspid atresia, is usually attended by distinctive clinical features. The clinical diagnosis is based on the presence of cyanosis, roentgenographic findings suggestive of absence of the right ventricle and the presence of left axis deviation in the electrocardiogram. The malformation usually causes death early in infancy; in the majority of cases, the patients die when less than 1 year of age. It is the purpose of this report to relate the clinical and pathologic findings in a case of congenital tricuspid atresia in which the patient lived more than twelve years and in which the correct diagnosis had been made clinically.
REPORT OF A CASE
In January 1948, the patient, who was a white boy, was first observed by two of us (H. M. R. and J. A. C.) when he was 11½ years old. His chief complaints were dyspnea and fatigue. At the time of