MVP could cause a form of Ventricular Tachacardia, SVT/PSVT, Google it, but I think your doctor would have noticed that,
Exercise Stress Testing is a good idea and tell them to do a high functioning
protocol, like the Balke-Ware Protocol or something. It gets you going much faster and stresses you more than a Bruce Protocol, which is typical of a doctors office. Tell them you are active and want them to see it happen if its going to.