Left ventricular diastolic function

Diastolic function

CriteriaNormal, youngNormal, adultAbnormal relaxation (grade 1 dysfunction)Pseudonormal (grade 2 dysfunction)Reversible restrictive filling (grade 3 dysfunction)Irreversible restrictive filling (grade 4 dysfunction)
E/A-ratio1–21–2<11–1.5 (not reversed with Valsalva maneuver)>1.51.5–2.0 (not reversed with Valsalva maneuver)
Deceleration time (DT), ms<240150–240≥240150–200<150<150
IVRT (ms)70–9070–90>90<90<70<70
S/D-ratio<1≥1≥1<1<1<1
ARdur – Adur (ms)≥30≤0≤0 or ≥30≥30≥30≥30
AR speed (cm/s)<35<35<35≥35≥35≥35
e’ speed (cm/s)>10>8<8<8<8<8

Updated on 2025-01-18