Figure 9From: Two and three dimensional echocardiography for pre-operative assessment of mitral valve regurgitation Quantitation of MR. Panel A: A vena contract >0.7 cm is consistent with severe MR. It should be measured at the narrowest portion of the MR jet. Panels B, C: Quantitation, if possible should be done by the PISA method. In this case, the EROA = 0.37 cm2. The regurgitant volume is 61 ml.Back to article page