Ebstein's Anomaly of the Tricuspid Valve

Abstract

In Ebstein's anomaly the tricuspid valve is displaced downward so that the upper portion of the right ventricle is incorporated in the right auricle. This imipairs the efficiency of the right side of the heart and produces a distinctive syndrome, which is described here for the first time. Diagnosis is important because this malformation, which is not amenable to surgery, may be confused with the tetralogy of Fallot.