Not only TAPSE Evaluation of the RV function include 1 systolic function measurements like A) TAPSE easy rapid method,different cut off values > 16mm is the most commonly used But several limitations 1 dependence on accurate M-mode alignment 2 misleading in certain conditions like severe tricuspid regurgitation or altered loading conditions 3 only measures longitudinal motion and can be inaccurate with RV wall motion abnormalities, . B) RV Fractional Area Change (RVFAC), estimates the right vent