Figure 6From: Severity of aortic regurgitation assessed by area of vena contracta: a clinical two-dimensional and three-dimensional color Doppler imaging studyAR eccentricity affects accuracy of VCW, 2DVCA and 3DVCA. Relationship between EROA and VCW (left), 2DVCA (middle) and 3DVCA (right) for eccentric AR (red) and central AR (blue).Back to article page