Re: 18 and have pvc's and heart palpitations - very worried!
I was born with a heart condition and I've had palpitations my whole life so they are normal to me. I also suffer from anxiety so hopefully I can help you out or something. To me, it sounds like you're having an anxiety attack. Its like you get a few palpitations and that freaks you out so you start sweating more and then you get short of breath and it escalates from there, almost like it's a psychological thing.
I know firsthand that anxiety can have a huge impact on palpitations. If I'm calm, I don't have palpitations. But as soon as I start thinking something is wrong with my health, I freak out and have an anxiety attack where I have some trouble breathing, I get dizzy, and I get palpitations. Stress also has a huge impact on anxiety attacks. When its exam time for me, I get anxiety attacks all the time. But in the summer, I barely do.
If they didn't find anything wrong in your EKG or ECHO then it probably is a psychological issue, where you're freaking yourself out. I do it all the time, so I know how it is. If you think that you're a hypochondriac and its affecting your life, then I'd try to seek some help from a mental health professional. They could possibly help you with your anxiety and fear about dying. You're too young to be worrying about those kinds of things to the point where it stresses you out like that.