Still confused about all this. GP asked me to keep a diary of them which I did - and she concluded my symptoms were normal. I get skipped beats usually at rest in the evenings but sometimes laughing, or indigestion, or exercise, or moving position can trigger them. For example my friend and I were walking up to his last week, up a hill and I kept getting missed beats. I had also though just consumed 3 chocolate bars and a sugary drink - and was also carrying my laptop on my back plus uni books. Ended up quite dizzy and breathless which always happens when I go into places that make me anxious, or if I do any exercise - its like I constantly bring up wind and that relives the breathlessness but it all seems to induce palpitations. I'm so confused. My GP said if they were worrying I'd have angina, severe shortness of breath, fainting etc and that doesn't generally happen BUT all internet sources (other than CRY) suggest you need a 24hr monitor and an echo to be sure - especially if exercise triggers these things. I'm so worried, tired and confused about it all - I just generall don't know what to do anymore. My GP's an absolute star and I saw her once last week + spoke to her on the phone.. I've had 6 ecgs over my life, 1 at 7, 1 at 15 and 4 in the last few months. One during an episode of panic and one during an episode of chest pain - all normal. So maybe there's no need to worry but I just can't stop thinking that there might be something up. I've no idea of family history as I don't speak to my father nor his family - but my mum's side are all healthy as far as I know...