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Table 1 Variables determining the severity of aortic regurgitation

From: Severity of aortic regurgitation assessed by area of vena contracta: a clinical two-dimensional and three-dimensional color Doppler imaging study

  Mean ± SD (range)
2DVCA (mm2) 14.9 ± 15.6 (2–66)
VCW (mm) 3.2 ± 1.3 (1–8)
3DVCA (mm2) 14.3 ± 15.7 (2–72)
EROA (mm2) 16.9 ± 10.3 (5–46)
RV (ml) 39.8 ± 23.1 (8–104)
  1. 2DVCA, two-dimensional vena contracta area; 3DVCA, three-dimensional vena contracta area; EROA, effective regurgitant orifice area; RV, regurgitant volume; SD, standard deviation; VCW, vena contracta width.