I ve been having heart issues for a while. It just starts beating fast out of nowhere. I experience problems especially when I m at school. I ve had 4 EKGs done & that s came back normal. I ve had 2 echoes and they came back normal but I still feel that it s beating weird. I got a heart monitor & I m waiting on the results. I ve also been having headaches for months but I had an EEG and a MRI & they said I m find. Now I m having heart palpitations & really bad stomach aches. What s wrong with me)
Hi, There are many reasons for palpitation. The first cause is anxiety - probably you can get a review with a psychiatrist to start a basic beta blocker (propranolol HY Chat Doctor.  Doing a PFT will help you diagnose diseases related to lung and hyperthyroid can also cause palpitation since you have already done almost most test related to cardiac. Hope I have answered your query. Let me know if I can assist you further. 