Tricuspid Regurgitation Severity
Assess tricuspid regurgitation severity using ACC/AHA 2020 integrated criteria: qualitative grade, vena contracta width, PISA EROA, regurgitant volume, hepatic vein flow, and CW Doppler contour. TR Vmax is used for PASP estimation only — it is not a TR severity signal.
Input
Enter available values — partial input is supported.
TR mechanism
TR severity parameters
Only these 6 parameters drive the primary TR grade. TR Vmax and right-heart data are supporting context only.
Qualitative grade
Severe ≥ 0.70 cm
Severe ≥ 0.40 cm²
Severe ≥ 45 mL/beat
Hepatic vein systolic flow
CW Doppler contour
For PASP estimation only — not a TR severity signal
TR Vmax is used for PASP estimation context only. It does not contribute to TR severity grade.
Severity assessment
Enter qualitative grade, vena contracta, EROA, regurgitant volume, hepatic vein flow, or CW Doppler to receive a TR severity assessment.
Learn the echo reasoning pathway
Review how valve severity, LV function, filling pressures, and intraoperative TEE findings connect in perioperative echo assessment.