A normal O2 Sat on room air is 96-100% . When a patient is on O2 by nasal cannula, the Sat level will of course be higher due to O2 is continuous @ 2 liters/NC. Some patients with high anxiety will demand the need for O2 when Sat level on room air is 97%. It always depends on the individual person, because some people may not be short of breath @95% O2 Sat on room air. Again, those with COPD must be assessed very freq, because they should only recv up to O2 2L/NC on a cont flow. The same patient may recv an MD order for PRN O2 ie: O2 2L/NC if Sat< 96% on RA @ night only. Look up online re: COPD and the reasons for recv only a certain amt of O2 everyday.
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