From: Mitral valve E-Point to Septal Separation (EPSS) measurement by cardiac magnetic resonance Imaging as a quantitative surrogate of Left Ventricular Ejection Fraction (LVEF)
LVEF
EPSS range (mm)
Normal ( ≥ 60 %)
≤ 7.3
Low normal (55-59 %)
7.4-8.9
Mild systolic dysfunction (40-54%)
9-13.9
Moderate systolic dysfunction (30-39%)
14-17.1
Severe systolic dysfunction (< 30%)
>17.1