I have just been diagnosed with POTS. I have all the symptoms. Dizziness, palps, low bp, tachycardia, chest pain, tired all the time. But I do have a question??? I know some of you say your heart rate rises when you stand. Mine goes up only sometimes when I am doing something small like walking up 10 stairs or walking in a store. This doesn't happen all the time just some times and it usually goes up to like 120-130. Anyone else have this?? I am on a beta blocker which helps but doesn't stop it totally!!! Also, do those salt pills really work?? My cardio gave me a script today and I don't know whether or not to take them??