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Native Tricuspid Valve:

Stenosis Regurgitation

MILD
MODERATE
SEVERE
Regurgitant Volume
< 30 ml/beat
30 – 44 ml/beat
≥ 45 ml/beat
EROA
0.20 cm2
0.20 – 0.39 cm2
≥ 0.40 cm2
IVC Diameter
< 2 cm
2.1 – 2.5 cm
> 2.5 cm
PISA Radius
≤ 0.5 cm
0.6 – 0.9 cm
> 0.9 cm
Hepatic Vein Flow
Systolic Dominance
Systolic Blunting
Systolic Reversal
Vena Contracta Width
< 0.3 cm
0.3 – 0.69 cm
≥ 0.7 cm

Calculate EROA

Prosthesis Values