Tricuspid regurgitation classification

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Tricuspid Regurgitation Microchapters
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Differentiating Tricuspid Regurgitation from other Diseases
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Overview

Tricuspid regurgitation (TR) can be classified into primary and secondary. Primary (or organic) TR results from an organic lesion of the tricuspid valve itself, whereas secondary (or functional) TR is caused by left heart failure or pulmonary hypertension without an intrinsic abnormality of the tricuspid valve.