Pule Oximeter?

August 30th, 2008 by tad

I was talking to a friend of mine the other day and he was telling me that he was not feeling to well. So he went to see his doctor and they did all sorts of tests and blah blah blah something about a pulse oximeter. Not sure why I remember that term out of everything he said but I guess it is because I remember thinking what the heck is that and exactly what does it do. Anyone know out there?

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