Abnormal tricuspid valve morphology Ebstein anomaly of the tricuspid valve 2009-07-14T11:12:07Z Ebstein's anomaly is often associated with a hypoplastic right ventricle, patent foramen ovale, and a degree of cyanosis dependent on the amount if inadequacy of the tricuspid valve. Ebstein's anomaly may be associated with Wolf-Parkinson-White syndrome or other arrythmias. ICD-10:Q22.5 Ebstein's anomaly of the tricuspid valve SNOMEDCT_US:204357006 Ebstein's malformation UMLS:C0013481 HP:0006674 HP:0010316 Ebstein's anomaly Ebstein's anomaly refers to an abnormally placed and deformed tricuspid valve characterized by apical displacement of the septal and posterior tricuspid valve leaflets, leading to atrialization of the right ventricle with a variable degree of malformation and displacement of the anterior leaflet. EPCC:06.01.34