Tom/Barb wrote:
This happens more than people realize, be careful do not over exert your self, watch for the sparkly things on your peripheral vision. when /if that happens get some O2 going ASAP.
Us old smokers have this happen often above 10,000'
Oh! Good to know. Do people usually adjust? I was feeling so good and this feels awful. I'm ready to go almost anywhere just to feel normal again. But if you drop down anywhere near here you're in serious heat. Is there any way to up the oxygen levels in an enclosed space?