The stage of<unk>  regurgitation (MR) can be estimated based on specific criteria for the valve anatomy, valve hemodynamics, associated cardiac findings, and symptoms. The stages of MR are the following: at risk of MR, progressive MR, asymptomatic severe MR, and symptomatic severe MR.
Mitral regurgitation stages
Tricuspid regurgitation stages
Mitral stenosis stages
Aortic stenosis stages
Mitral stenosis risk factors
Tricuspid stenosis risk factors
Aortic insufficiency stages
Tricuspid regurgitation risk factors