Regardless of whether your symptoms were MG related, I am concerned about your hypertension. You are approaching stroke level. They didn't do anything about that?

"resting heart rate at the hospital was 93 and my blood pressure was 159/97"

You are about to blow a gasket.

When my BP gets that high, I am short of breath.

Like Alice said, they just did a bunch of tests, but they forgot to look at the patient.