Liza and Dahlek I think you have probly hit the nail on the head....I am so exhausted from trying to find the problem....when I see that Liza "sees" me like she knows me.....are you psychic?? I think the reason I pressed for more answers was the sudden onset of arm fatigue last fall after many years of steady pain...and also TOS like sx which will probly be impossible to get dx of either...I think I will start trying to do good things for myself with vitamins and food, spiritual, etc...maybe be a little more agressive with the POTS and just let it be unless I fall on my face. I stood on my feet for 7.5 hours today and made 280 bucks helping at a food booth at a fair today.and last night....yep I made it even though I feel like I got beat up. Don't tell anyone....but I did it! Me and hubs to try and pay our 600 dollar summer electric bill and my 1000 doctors appts! Thanks and my tests are this week so i will update on it all...I need to go lie down!!!!!!