Tricuspid regurgitation stages
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
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Overview
Stages
Stage | Definition | Anatomy of the valve | Hemodynamics of the valve | Hemodynamic changes | Symptoms |
A | At risk | Primary
Secondary
|
Absent | Absent | Absent |
B | Progressive | Primary
Secondary
|
Mild TR
Moderate TR
|
Mild TR
Moderate TR |
None |
C | Asymptomatic severe | Primary
Secondary
|
* Central jet area >10.0 cm2
|
* Dilated RV/RA/IVC and decreased IVC respirophasic variation
|
None |
D | Symptomatic severe | Primary
Secondary
|
* Central jet area >10.0 cm2
|
* Dilated RV/RA/IVC and decreased IVC respirophasic variation
|
Presence of symptoms (atigue, dyspnea, anorexia, edema, abdominal distention, palpitations) |