I wish I had some info or advice re POTS but the best I can do is post a link that may help you. I suspect you know most of what is on this link so I am sorry if it is redundant.
I wish you the best as you go through your many tests and I hope you come back here and teach us about this disorder.
Moderator: Anxiety, Osteoarthritis,
GERD/Heartburn and Heart/Cardiovascular Disease.
"only as high as I reach can I grow, only as far as I seek can I go, only as deep as I look can I see, only as much as I dream can I be"