Pathologic narrowing of the orifice of the tricuspid valve. ... (05 Mar 2000) ... 
(TS) narrowing or stricture of the tricuspid valve of the heart; this is often seen in patients with severe congestive heart failure, usually the result of volume overload and pulmonary hypertension with right ventricular and tricuspid annular dilation.
Type: Term Definitions: 1. pathologic narrowing of the orifice of the tricuspid valve.