KR> Hypoxia

[Patterson, John E Col USAF ANG 183 MSG/CC]

Ray, the takeaway for you is that your tingling symptoms will always be there 
if you are experiencing hypoxia.  Hopefully you felt some at least some 
flushing also, that is commonly associated with the tingling.  Everyone reacts 
slightly differently, but the symptoms are repeatable so that when you 
recognize them, you can take immediate action.  John Patterson