To better understand the mechanics of left and right atrium, radial and longitudinal strains of atrial free wall was quantified using cardiovascular magnetic resonance based tissue tracking (CMR-TT) technique. Gender- and age-specific reference values were generated among a healthy population (n=150). Larger magnitudes of strains were noticed in females and the younger. CMR-TT has been proven as a feasible and reproducible technique in this study, and the gender- and age-specific references need to be established for the clinical practice.
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