After a hellacious EMG and blood work (negative for antibodies, but all symptoms point to MG) I have been diagnosed with MG as my neurologist can't figure out what else it could be. I have weakness in my neck, both legs, occasional blurred vision, and occasional difficulty swallowing. I am normally an athletic person (former runner and triathlete) and a gymnastics coach. I was shocked when my muscles just sort of "slowed down" and there are times when my legs just give out. I am on Pyridostimine as of yesterday hoping that this will address my weakness. My question is if I do have MG, why do I have no eye or mouth droop or is it just one of the many symptoms? Also, why would the antibody test come out negative, yet my symptoms scream MG?

Thank you in advance for your help!!