phenotype affects entity Tricuspid regurgitation tricuspid valve regurgitation right atrioventricular valve insufficiency MP:0006044 right AV valve regurgitation tricuspid valve insufficiency the backward reflux of blood through the tricuspid valve, due to insufficiency caused by disease, aging or congenital malformation Fyler:1161 tricuspid regurgitation MPheno.ontology right AV valve insufficiency right atrioventricular valve regurgitation atrioventricular valve regurgitation tricuspid valve tricuspid regurgitation; tricuspid valve regurgitation