Secondary MR Severity
Assess secondary (functional) mitral regurgitation severity using ACC/AHA 2020 severe-range criteria. Secondary MR must be interpreted in the context of LV function, symptoms, pulmonary pressure, and HF therapy response — not quantitative values alone.
Input
Enter available values — partial input is supported.
MR mechanism
Qualitative assessment
Qualitative grade
Quantitative parameters
Severe-range ≥ 0.40 cm² (same as primary MR — ACC/AHA 2020)
Severe-range ≥ 60 mL/beat (same as primary MR — ACC/AHA 2020)
Severe-range ≥ 50%
Severe-range ≥ 0.70 cm
Pulmonary vein systolic flow
LV context
LV dysfunction < 50% in secondary MR context
Optional
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.