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hippy-
I'm getting sub 400s
At last, something I can beat you at, I'm doing 580 sitting here, without any PEDs. Assuming your PFM is working and you're using it correctly, you definitely need to see your doctor. According to this chart you should be beating me by about 10l.min-1 even if I was hitting my predicted numbers.
gbj_tester
My GP booked me in for this a few years ago so should yours then.
I do remember the no no trumpeting and that no result because either the machine was broken or I was not so good at this.