There are many ways to diagnose heart disase, EKGs, Echos, Stress Echos, Nuclear Echos, CTs, MRIs, Cathlab, and many others. Many can be seen as redundant, but sometimes you can't use the cheaper test on a patient and need to use the more expensive one, even if it does the same exact thing.
Somebody ask about the illegal aliens
He’s never watched House and seen differentiated diagnosis.