TAVR: Echo Measurements Pre, Post And Intra Procedure

10/10/2017 11 SEVERE SENILE CALCIFIC AORTIC STENOSIS OF ATRILEAFLET AORTICVALVE Severe Aortic Stenosis Peak velocity (V max) > 4 m/sec Mean gradient (ΔP mean) > 40 mm Hg Dimensionless Index < 0.25 Aortic valve area (AVA) < 1.0 cm2 AVA Index < 0.6 cm 2/m ASE/EAE Guidelines on Valvular Stenosis