Many quick, practical decisions are made on patient assessment and clinical judgement, not just numbers. None of us that I know of has ever come across a perfec

Many quick, practical decisions are made on patient assessment and clinical judgement, not just numbers. None of us that I know of has ever come across a perfect pulse ox. "Treat the patient, not the numbers" as the saying goes. When they don't match up, I like to do things like use a different finger/hand (or ear lobe or forehead).