ABSTRACT
Clinical features, laboratory and operative findings were reviewed in 17 cases adult Ebstein's anomaly admitted to Seoul National University Hospital from Feburary,1979 to October, 1987. 1) Mean age of first diagnosis was 28.6 tears old(range ; 14-57 years old). 2) Exertional duspnea(88.2%) and palpitation(64.7%) were the predominant symptoms, and PSVT was documented in 4 cases among 11 patoents with palpitation. 3) Echocardiogram showed displacement or delayed closure of the tricuspid valve in 13 cases. 4) On similtaneous recording of the intracardiac ECG and pressure, right ventricular electrogram with atrial pressure in atrialized right ventricle was observed in all cases. 5) Right ventriculogram revealed displacement of the tricuspid valve in 9 cases and tricuspid regurgitation in 10 cases. 6) Interatrial communication via ASD(8) and PFO(3) was present in 11 cases(64.7%). 7) Operative finding of 9 cases showed abnormalities of septal leaflet in 9(100%), posterior leaflet in 8(88.8%), and anterior leaflet in 2 cases(22.2%).