Tricuspid Regurgitation Severity Normal Values

Question 1

Jet area(cm2)

Answer 1

Mild <5

Severe >10

Question 2

RV/RA/IVC

Answer 2

Mild: Normal
Moderate: Normal/Increased
Severe: Dilated

Question 3

Vena Contracta (mm)

Answer 3

Mild: -
Moderate <7
Severe >/= 7

Question 4

PISA (mm)

Answer 4

Mild =5

Severe >/=9

Question 5

CW jet profile/density

Answer 5

Mild: Soft + parabolic
Moderate: Dense with variable contour
Severe: Dense + Triangular

Question 6

HVs

Answer 6

Mild: Systolic dominance
Moderate: Systolic blunting
Severe: Systolic reversal