From: Peak longitudinal strain most accurately reflects myocardial segmental viability following acute myocardial infarction - an experimental study in open-chest pigs
Index
Inter-observer
variability
Intra-observer
Longitudinal strain
0.76 (0.65–0.84)
0.89 (0.83–0.93)
Circumferential strain
0.77 (0.66–0.84)
0.75 (0.63–0.83)
Radial strain
0.82 (0.72–0.88)
0.86 (0.79–0.91)