Review
Copyright ©The Author(s) 2021.
World J Cardiol. Aug 26, 2021; 13(8): 271-297
Published online Aug 26, 2021. doi: 10.4330/wjc.v13.i8.271
Table 10 Echocardiographic criteria for the definition of severe valve regurgitation (adapted from[165])

AVR
MVR
TVR
Vena contracta width (mm)> 6≥ 7≥ 7
OtherPressure half-time < 200 msTVI mitral/TVI aortic > 1.4PISA radius > 9 mm
EROA (mm2)≥ 30≥ 40≥ 40
Regurgitant volume (mL/beat)≥ 60≥ 60≥ 45