A Prospective Assessment of Myocardial Contractility in Young African Americans: Does Ethnicity Impact the Wall Stress-Heart Rate-corrected Velocity of Circumferential Fiber Shortening Relationship?

Young AAs have slightly thicker ventricles with increased VCFc, lower systolic volumes, and diminished ESS compared with control subjects. Despite differences, the meridional ESS-VCFc relationships were similar and correlated closely to previously reported normal indices.