Hi, i am a type 1 diabetic age 21 was diagnosed 2011 around 28th of December, had DKA and a Blood Sugar of about 40.8mmol. Recently i started getting a fast heart beat when urinating and only walking short distances also sometimes my whole body feels stiff for no reason along side that i get frequent headaches sometimes for weeks then it goes away for about 2 days and comes back i have been tested for ATCH and Serum both where in the normal ranges my speclist and endo has no answer for my resting bpm of 100 to 120 and even more when i even do the smallest thing or walk even a few steps i need advice please as this worries me alot.