The only way to figure this out is for you to wear a portable heart monitor to track your rhythm during your symptomatic episodes. Additionally, alcohol and caffeine can precipitate PVC's and rhythm disturbances, so you should avoid these agents. This means that PVC's will not harm you, they will just be a nuisance. I think visiting an internist at this point is a good idea as I agree that all the cardiac tests you had done before do not need to be repeated. I hope you find this information useful.
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