Sorry for my typos. I do want to concur with others who mentioned hydration. Hydration is particularly important according to my cardiologist. Keep drinking water throughout the day. First thing when you wake up, have some water too. Your organs including heart love it after 6-7 hours without it. It helps one’s skin too.
I am curious what symptoms you were having that your doc ordered the tests. By the way, I was diagnosed at age 65 and have no additional health issues.
If you ever feel like you are going to faint which happens occasionally with PSVT, immediately strain—as though you were on the toilet. It does something to the vein in your neck which helps blood flow or something. Anyway, it works. Good luck to you.