Table 1 Longitudinal, radial and circumferential peak velocities and E/A values in the basal, mid and apical short-axis slices of 10 healthy volunteers, together with inter-study reproducibility

BASE

S_L (cm/s)

6.94 ± 1.87

−0.50 ± 1.07

D_L(cm/s)

−9.45 ± 1.97

−0.30 ± 1.54

AS_L(cm/s)

−2.62 ± 0.99

−0.26 ± 1.04

E/A_L

4.26 ± 2.39

−0.20 ± 1.90

S_R(cm/s)

2.35 ± 0.28

0.05 ± 0.27

D_R(cm/s)

−4.01 ±0.65

−0.20 ± 0.96

AS_R(cm/s)

−1.41 ±0.41

−0.15 ± 0.36

E/A_R

3.00 ± 0.76

−0.08 ± 0.61

C₁(cm/s)

−2.88 ± 1.35

0.12 ± 0.58

C₂(cm/s)

2.33 ± 0.91

0.07 ± 0.64

C₃(cm/s)

−1.58 ± 0.52

−0.37 ± 0.61

MID

S_L (cm/s)

5.87 ± 1.89

−0.56 ± 0.87

D_L(cm/s)

−6.50 ± 1.85

0.21 ± 1.54

AS_L(cm/s)

−1.66 ± 0.67

0.22 ± 1.08

E/A_L

4.97 ± 3.29

−1.37 ± 4.95

S_R(cm/s)

2.38 ± 0.38

−0.01 ± 0.36

D_R(cm/s)

−3.61 ± 0.77

0.20 ± 0.56

AS_R(cm/s)

−1.59 ± 0.43

0.14 ± 0.42

E/A_R

2.43 ± 0.87

−0.01 ± 0.66

C₁(cm/s)

−3.52 ± 1.50

0.10 ± 0.50

C₂(cm/s)

1.40 ± 0.83

−0.20 ± 0.48

APEX

S_L (cm/s)

4.83 ± 1.70

−0.11 ± 0.67

D_L(cm/s)

−4.27 ± 1.67

−0.31 ± 1.35

AS_L(cm/s)

−0.81 ± 0.29 *

0.29 ± 0.78 **

E/A_L

5.59 ± 3.04*

0.30 ± 0.78 **

S_R(cm/s)

2.14 ± 0.27

0.02 ± 0.33

D_R(cm/s)

−3.99 ± 0.94

−0.10 ± 0.95

AS_R(cm/s)

−1.57 ± 0.45

−0.15 ± 0.48

E/A_R

2.67 ± 0.66

−0.23 ± 0.64

C₁(cm/s)

−3.50 ± 1.23

−0.04 ± 0.57

C₂(cm/s)

0.39 ± 0.69

−0.00 ± 0.38

C₃(cm/s)

2.09 ± 0.72

0.17 ± 0.59