Pain after SVT ablation

Hi.  I had an SVT ablation on January 22, 2009.  About 3 weeks after the procedure, I began having chest pain.  I am still, after 6 months, having chest pain and/also right shoulder pain.  I have had numerous tests, including EKG, echo, Pulmonary CT, chest X-ray, nuclear stress, MRI, etc.  My cardiologist basically has told me nothing is wrong with my heart, to go elsewhere.  I never had pain in these areas until after the prodcedure.  The doctor I am seeing now has me on Neurontin, which has not helped much.  She really can't explain my pain either.  I seem to not be able to do anything physical, housework, yardwork, walking very fast, picking up things, without having this chest pain and/or shoulder pain.  Now I also experience chest tightness, my heart thuds, and numbness in my right arm.  I also take pain meds or muscle relaxers most days.  I am really getting frustrated dealing with this.  I don't know what to do next.  If anyone has any answers as to what to do next, please let me know????????