Worried about health risks of having PFO

Patient : A few years ago, I participated in a research study on migraine and PFO. (I've had migraine with aura since adolescence, though only get a handful each year.) I had a bubble test that showed I did indeed have a PFO (apparently moderately sized; I recall passage of 20-ish bubbles was mentioned), but no further treatment was offered as the study was assessing only how many people had PFOs; it did not offer repair. The only change was that my GP put me on the list for receiving annual flu jab. Ever since, I have felt quite anxious about knowing I have a PFO, and worried about the risk of stroke. It seems that PFO repair is indicated only for those with worse migraine or who have actually had a stroke. This worries me as I make my living as a freelance editor, and so even a minor stroke could be disastrous in terms of affecting my ability to earn money. Should I push for a referral to a cardiologist or should I just stop worrying about this? Thank you for any advice you can give.
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