Primary MR

Primary MR Severity

Integrate EROA, regurgitant volume, RF, and vena contracta to assess primary mitral regurgitation severity. Combines mechanism, qualitative grade, and pulmonary vein flow for an integrated assessment.

Primary standard:ACC/AHA VHD 2020

Input

Enter available values — partial input is supported.

MR mechanism

Qualitative assessment

Qualitative grade

Quantitative parameters

Severe ≥ 0.40 cm²

Severe ≥ 60 mL/beat

Severe ≥ 50%

Severe ≥ 0.7 cm

Pulmonary vein systolic flow

LV function

Impaired < 60% in primary MR

Impaired ≥ 40 mm

Optional

Symptom status

Severity assessment

Enter mechanism, qualitative grade, or quantitative parameters to receive an assessment.

Learn the echo reasoning pathway

Review how valve severity, LV function, filling pressures, and intraoperative TEE findings connect in perioperative echo assessment.

Open Echo Education