Hello, this evening, for the 3rd time in about 2 months it felt like my heart skipped a beat, like a thud and took my breath away, afterwards I felt really shaky, legs went like jelly and generally felt terrible for the next hour or so. I've had a unltra sound on my heart etc all seems fine, just wondering what it could be and is it anything to worry about, I've noticed quite a few people discussing PVC, just wondering if that's possible and what I could take to help make sure it stops happening. Thank you. Mark