Duplication of the tricuspid valve with Ebstein anomaly. 1984

H Miyamura, and T Matsukawa, and Y Maruyama, and S Nakazawa, and S Eguchi

Duplication of the tricuspid valve is a rare congenital cardiac anomaly. We experienced one infant case with Ebstein anomaly, who died at seven months of age. At autopsy, the clinical diagnosis was confirmed, and also the patient was found to have double tricuspid valve orifices, each of which were accompanied by subvalvular tension apparatuses. Tricuspid valve leaflets seen in Ebstein anomaly are known to have fenestrations as accessory orifices for some instances, but this case is unique and interesting in that each valve orifice has well-developed chordae tendinae and papillary muscles below it.

UI MeSH Term Description Entries
D007223 Infant A child between 1 and 23 months of age. Infants
D009206 Myocardium The muscle tissue of the HEART. It is composed of striated, involuntary muscle cells (MYOCYTES, CARDIAC) connected to form the contractile pump to generate blood flow. Muscle, Cardiac,Muscle, Heart,Cardiac Muscle,Myocardia,Cardiac Muscles,Heart Muscle,Heart Muscles,Muscles, Cardiac,Muscles, Heart
D004437 Ebstein Anomaly A congenital heart defect characterized by downward or apical displacement of the TRICUSPID VALVE, usually with the septal and posterior leaflets being attached to the wall of the RIGHT VENTRICLE. It is characterized by a huge RIGHT ATRIUM and a small and less effective right ventricle. Ebstein's Anomaly,Ebstein's Malformation,Familial Ebstein's Anomaly,Anomaly, Ebstein,Anomaly, Ebstein's,Ebstein Malformation,Ebstein's Anomaly, Familial,Ebsteins Anomaly,Ebsteins Malformation,Familial Ebstein Anomaly,Familial Ebsteins Anomaly,Malformation, Ebstein's
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D014261 Tricuspid Valve The valve consisting of three cusps situated between the right atrium and right ventricle of the heart. Tricuspid Valves,Valve, Tricuspid,Valves, Tricuspid

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