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Table 1

From: Left ventricular twist and shear-angle in patients with mitral regurgitation

Measurement (Peak) Normal Moderate MR Severe MR
Twist [deg] 11.5±3.3 9.2±3.0 8.8±2.6
CL-shear angle [deg] 5.0±1.4 4.7±1.6 5.0±1.3
Apical Rotation [deg] 7.5±3.6 5.8±2.7 6.2±2.8
Basal Rotation [deg] -3.9±1.3 -3.4±1.4 –2.8±1.6
Epicardial radius Apex [mm] 20.7±3.1 19.9±3.3 24.9±3.8
Epicardial radius Base [mm] 30.7±3.8 30.7±2.6 35.8±3.2
Distance between Apex and Base [cm] 5.2±0.6 4.8±0.8 4.9±0.6
Number of subjects 54 29 54