Tricuspid insufficiency (TI), a valvular heart disease also called tricuspid regurgitation (TR), refers to the failure of the heart`s tricuspid valve to close properly during systole. As a result, with each heart beat some blood passes from the right ventricle to the right atrium, the opposite of the normal direction. Tricuspid regurgitation occu....
See: valvular insufficiency. ... (05 Mar 2000) ... 
incomplete closure of the tricuspid valve, resulting in tricuspid regurgitation.
Type: Term See: valvular regurgitation