EF FS=(LVEDD-LVESD)/LVEDD EF≈ 1.9 × FS + 0.16 EF Calculator Ejection Fraction Calculator LVEDD (mm): LVESD (mm): Calculate EF EPSS EF(%)≈75.5−(2.5×EPSS(mm)) EF Calculator from EPSS EF Calculator from EPSS Enter EPSS (in mm): Calculate EF Your estimated EF is: