It's just so hard to be okay.

Definitely get a CT Scan or a MRI of your chest. It was the only test that suggest possible MG for me, other than a failed portion of the Pulmonary Function Test.

Plus, I got a trial of Mestinon that is working with my breathing. Perhaps, you can stumble upon a doctor willing to give you a trial on it.

Regarding Epstein Bar:

This is quite interesting in regards to MG.

http://www.aan.com/elibrary/neurolog...01008050-00006