Tricuspid stenosis other imaging findings

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Vamsikrishna Gunnam M.B.B.S [2]

Overview

Cardiac catheterization may be helpful in the diagnosis of tricuspid stenosis. Findings on a cardiac catheterization suggestive of tricuspid stenosis include atrial "a" wave and mean gradient across the tricuspid valve.

Other Imaging Findings

• Cardiac catheterization may be helpful in the diagnosis of tricuspid stenosis. Findings on an cardiac catheterization suggestive of tricuspid stenosis include:
  • Large right atrial "a" wave of 12 to 20 mm Hg.
  • A diastolic, mean gradient of 4 to 8 mm Hg across the tricuspid valve on right heart catheterization.
  • An elevated right atrial pressure with a gradual fall in early diastole and a diastolic pressure gradient across the tricuspid valve is characteristic of tricuspid stenosis.
  • On cardiac catheterization a diastolic pressure gradients between 2 to 4 may indicate significant severe tricuspid stenosis.
  • On cardiac catheterization a tricuspid valve area less than 1.0 cm may also indicates severe tricuspid stenosis.