Dan
Contributor
I've never been checked for one. I'm am CERTAIN that if I had a pfo, that I'd have been bent at some point with some of the dives I've done.
Obviously you don’t have it. I would not bother to check it unless you get bent during normal NDL dives.
I know 2 divers learned that they have PFO only after got bent during normal NDL dives, not the other way around.
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