Table 3 Guideline based reference ranges for grading mr 2003 ASE guidelines

EROA-CIMR (cm ² )

≥ 0.2

EROA-Primary MR (cm ² )

< 0.2

0.2-0.39

≥ 0.4

VC width (cm)

< 0.3

0.3-0.69

≥ 0.7

Jet/LA area

< 20%

20-39%

≥ 40%

MR Reg. Volume

< 30 ml

30-59 ml

≥ 60 ml