Thanks for the screen grabs, that makes it much easier to try to see what the set up is. I see no leads that would indicate Jon is wearing any type of cardio monitor. I haven't kept up with how small they are now able to make concentrators. The oximeter makes sense.It looks like he has one like this (photo below for people who don't want to click).
Between the 2 photos of Jon you can get a pretty decent idea of the setup. The cannula goes into the pack underneath his stuffed bra (sorry, I couldn't stand watching the vid several more times in hopes of getting better screengrabs).
I didn't look for a pulse oximeter on his finger. But that would be SOP with the oxygen. He might not even need the oxygen 24/7 (if he really needs a concentrator), just for when his oxygen falls to a certain percentage according to the pulse oximeter.
BTW, he said some time ago he had a walker. It was not long after the photos of him and his scooter on the train appeared. That might be it.
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I'll go back and see if I can discern the reason Jon Jon claims to need oxygen. Fibrosis of the lungs caused by snorting tampons? Damage from inhaling the chemicals used on that hair?Apparently, trooning can be hazardous to ones health.