From: Left ventricular short-axis systolic function changes in patients with hypertrophic cardiomyopathy detected by two-dimensional speckle tracking imaging
Rotational degrees in different short-axis levels
Basal (°)
Middle (°)
Apex (°)
HCM (37)
−11.27 ± 5.14
−3.90 ± 4.86
4.84 ± 7.34
Normal (41)
−4.65 ± 6.65
−0.87 ± 5.98
6.42 ± 7.35
P-Value
< 0.001
0.017
0.346