Tricuspid stenosis classification

Tricuspid stenosis Microchapters
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] ; Associate Editor(s)-in-Chief: Aditya Ganti M.B.B.S. [2]

Classification

Tricuspid stenosis is staged based on the valve anatomy and hemodynamics, and the hemodynamic consequences. No criteria for Stage A or B were included in the 2014 American Heart Association/American College of Cardiology valve guidelines [21]. Stage C is defined as severe TS without symptoms. Stage D is defined as severe TS with symptoms.

Stage	Definition	Valve anatomy	Valve hemodynamics	Hemodynamic consequences	Symptoms
C, D	Severe TS	Thickened, distorted, calcified leaflets	T ½ ≥190 ms  Valve area ≤1.0 cm2	Right atrial / Inferior vena cava enlargement	Stage C-No symptoms Stage D-Symptoms variable and dependent on the severity of associated valve disease and degree of obstruction