Palpations

So I’m only 4/5 weeks pregnant. I think I might have a heart arrhythmia and for the last two days, my hearts has been beating and fluttering like crazy. I did have a few heart problems with my first about 2/3 years ago, my heart would start racing and would also flutter but my OB never seemed concerned so I never saw a cardiologist. I’m even more concerned that it’s happening so early, it feels like my heart is beating into my throat and takes my breath away. I know it’s probably the hormones messing with it, just like your period would but it freaks me out. I know this sounds dramatic but sometimes I feel like I’m going to die or something because that’s my heart acting funny, which is scary as hell, especially when you’re carrying another life. Anyone else go through something similar?