M Mabisking2 Guest Feb 23, 2009 #2 They stick an IV in your artery on your wrist ive read its painful but not horrible. Its used to analyze Oxygen and co2 concentration in your blood stream to figure out how well your lungs are exchanging gases.
They stick an IV in your artery on your wrist ive read its painful but not horrible. Its used to analyze Oxygen and co2 concentration in your blood stream to figure out how well your lungs are exchanging gases.