There are several companies or individuals who provide services that, in the end, use the data gleaned from an ultrasound to project in one way or another potential racing success. We provide data obtained when a Thoroughbred's heart is scanned with an ultrasound computer and measurements are taken of its body mass to determine an "ejection fraction." The definition of "success" often depends upon the criteria applied to that data. One definition of success is to project the potential for that horse to race successfully up to or beyond a...