Summary: 2 3 DPG Note that if your pulse oximeter shows a saturation of 95 Usually considered normal in the range the patient is now very hypoxic with a PaO2 of 76 Torr Shift to the Right Several situations can decrease hemoglobin s affinity for oxygen They are Increased Hydrogen ion Increased PaCO2 Increased temperature and Increased 2 3 DPG This allows hemoglobin to
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