In 1866 Ebstein described an uncommon congenital abnormality in which the tricuspid valve was situated below its normal site, thus reducing the size of the functioning right ventricle. Since then, many examples have been recorded, some with " patent foramen ovale," and others without it; the most recent was by Kerwin (1955), who described a case diagnosed during life. In Abbott's series of 16 examples of Ebstein's anomaly, the oldest survived to 56 years. The present case is believed to be the longest survival yet recorded, and was a woman of 79 who succumbed to sup- purative cholangitis.
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Adams et al. (1956) studied this question.