can someone help me? I had an episode of tachycardia, bradycardia, seizures, profuse sweating, syncope, taken to hospital mri,mra,eeg,ekg,and 2d echo all negative. Neuro said seizures, cardiology said i was fine, went to cleveland clinic said NO seizures and follow up with cardiology-had a tilt test it was positive-drs dont want to deal with me-said just syncope no worries drink more water and increase ur sodium ur young, healthy, and a runner ur fine. i asked what about hr going fast/slow and my profuse sweating-checked thyroid-fine? what now? no one will listen because im young how do i get an answer im furious.