Originally Posted by illegallysmooth
Leave it to the dolts at COMBANK for this gem:
A male teenager has been rescued from a house fire. Which of the following would you expect on blood gas?
[3.8 %] ( A ) normal blood gas
[16.2 %] ( B ) increased hemoglobin saturation; increased bicarbonate
[25.4 %] ( C ) decreased hemoglobin saturation; decreased bicarbonate
[42.3 %] ( D ) decreased hemoglobin saturation; increased bicarbonate
[12.3 %] ( E ) increased hemoglobin saturation; decreased bicarbonate
Can a blood gas differentiate between CO binding and O2 binding, unlike a finger (point of care) pulse oximeter? Just because one tool works a certain way and is prone to certain errors doesn't mean all of the tools that measure that perimeter is.