I'm going to the doctor at 2

Ronna • SAHM to my amazing 3 year old Princess. Baby Borja #2 on the way. Due 12-31-17
So I'm 6 +1 and my heart races all day and night. At night it's 10 times worse. Last night I thought I was going to die.. with me flipping out and the actually racing mixed with anxiety.
It's horrible. We went through some <a href="https://glowing.com/glow-fertility-program">fertility treatment</a> and get an early scan next Monday. I'm wondering if there is more than 1.
I mean I can't sleep it's racing so bad..  Any suggestions or solutions.
My daughter I had this happen but it wasn't this intense or didn't keep me worried like this...