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alex3619 The only way I can keep it straight is to compare jogging with sprinting: sprinting being an all-out effort of short duration (anaerobic) while jogging is a sustained effort (aerobic).
Just like the sprinter whose legs wobble, heart races, lungs cry, and brain goes foggy if the sprint is maintained for longer than the body can manage, so are my trips to the restroom. Is this because I, like the sprinter, have gone anaerobic? What if these symptoms persist even after rest? Am I then still in anaerobic territory?
If so, that means many of us with POTS/dysautonomia spend a significant amount of our time anaerobically, which by definition should be impossible. Hence the collapses.
If we are indeed anaerobic most of the time, then what? Seems like an endless loop.