From: Quantification of myocardial deformation in children by cardiovascular magnetic resonance feature tracking: determination of reference values for left ventricular strain and strain rate
Strain rate
0.025
0.05
0.10
0.90
0.95
0.975
Radial
−2.9
−2.8
−2.5
−1.5
−1.4
−1.3
Circumferential endocardial
1.3
1.4
1.7
3.1
3.4