Sorry. Try not to do intensive exercise. I was fit an active before diagnosis tyring to get a fab body. In fact the reason I got diagnosed was after having near syncope a few times during exercise where trainer had to take me to my apartment and help me into bed. What was scary is the rising pressure I felt coming up and around my neck whenever I was lifting weights above my shoulder level. I have not done any exercise in about 2 years. I have had two scary dreams where I overdid exercises and got into trouble. These stories are really inspiring for me to start back at exercising which is not too easy in dead winter but I need to lose 20kg for perfect weight.