Valvular Stenosis and Regurgitation Severity Scales

Vocabulary based flashcards detailing the diagnostic criteria for assessing the severity of Mitral Stenosis (MS) and Mitral Regurgitation (MR) using echocardiographic parameters.

Mild Mitral Stenosis (MS) MVA

$$1.6-2.5\,cm^2$$

Moderate Mitral Stenosis (MS) MVA

$$1.0-1.5\,cm^2$$

Severe Mitral Stenosis (MS) MVA

<1\,cm^2

Mild Mitral Stenosis (MS) Mean Gradient

<5\,mmHg

Moderate Mitral Stenosis (MS) Mean Gradient

$$5-10\,mmHg$$

Severe Mitral Stenosis (MS) Mean Gradient

> 10\,mmHg

Mild Mitral Stenosis (MS) RVSP

< 30\,mmHg

Moderate Mitral Stenosis (MS) RVSP

$$30-50\,mmHg$$

Severe Mitral Stenosis (MS) RVSP

>50\,mmHg

Mild Mitral Stenosis (MS) Pressure Half Time

$$90-150\,ms$$

Moderate Mitral Stenosis (MS) Pressure Half Time

$$150-220\,ms$$

Severe Mitral Stenosis (MS) Pressure Half Time

> 220\,ms

Mild Mitral Regurgitation (MR) Vena contracta

<0.30\,cm

Severe Mitral Regurgitation (MR) Vena contracta

$$\geq 0.7\,cm$$

Mild Mitral Regurgitation (MR) Regurgitant Vol

< 30\,ml

Moderate Mitral Regurgitation (MR) Regurgitant Vol

$$30-59\,ml$$

Severe Mitral Regurgitation (MR) Regurgitant Vol

$$\geq 60\,ml$$

Mild Mitral Regurgitation (MR) EROA 2D PISA

< 0.20\,cm^2

Severe Mitral Regurgitation (MR) EROA 2D PISA

$$\geq 0.40\,cm^2$$