Oxygen Smart

Over the last few weeks we have had a few crisis with my stepfather when his oxygen saturation level has dropped just at the end of a meal.  The worst was when rising he fainted and fell.
At the moment various things seem clear, although he is being monitored just the same.
I was present on two [...]

My previous post dealt with signs of oxygen deprivation one of which is lips and finger nails turning blue or purplish.
Well I had lunch today at my mother’s.  My dad (step father actually) arrived late and in a foul mood as traffic had been really bad.  As I sat across from  of him I noticed [...]