Thanks, Debra. Nice name!
PFT is Pulmonary Function Test.
Diuretics can make MG worse. Don't go and stop it!!! It "might." MG can potentially be made worse by a number of drugs, like antibiotics.
The thing on your finger was probably an oximeter. It shows oxygenation in percentage and your pulse.
Hard to say what the pulse rate was all about. Your electrolytes could've been off but I'm sure they ran those. Did you get a copy? It sounds like you had a supraventricular tachycardia. That could be caused by a medication.
http://emedicine.medscape.com/article/156670-overview
Abilify might be contraindicated in MG. Hard to say, since it's relatively new. But read the side effects!
http://www.drugs.com/abilify.html
Can I ask why you are on Topomax? Is it for migraines?
One drug in and of itself "might" be a problem but when you put a bunch of drugs together, it's hard to say what they might do to you! Have you spoken to your pharmacist about all these drugs to make sure they aren't contraindicated in MG or there isn't a potential for drug interactions?
I hope you find answers soon. Write down any symptoms you are having. Keeping a journal is very helpful. Do you have ptosis (drooping eyelids)? Sometimes it helps to document things like that with photos.
Annie