How do I stop worrying about if my heart will give out?

I'm 26 and have been worrying a lot lately that my heart is just going to stop. Apparently there is a condition where it does just that and now I can't stop worrying about it. I've gotten 3 ekgs and they say it all looks fine but my heart literally skips a beat. I can feel it

How do I stop worrying about if my heart will give out?
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