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Background and Aims Supplemental oxygen therapy is commonly administered to the majority of postoperative surgical patients in order to prevent hypoxemia, which is one of the most common and significant respiratory problems following surgery. Furthermore, although regular supplemental oxygen administration is not advised for non-hypoxemic patients suffering from a number of acute conditions, including acute coronary syndrome and stroke, high-dose oxygen therapy is advised in a few specific situations to lower the risk of surgical site infections (SSIs) following surgery. In the proposed audit, we examine the practice of oxygen prescription related to the oxygen therapy. Its goals are to identify presently non-compliant with local hospital guidelines and provide solutions to help the hospital improve compliance

Methods Frequencg and percentages were calculated and chi square test also applied.

Results Out of 30 total patients, there is a valid oxygen therapy prescription in main PACU of CUH (100%), oxygen prescription section in the PACU drug chart completed (3.3%), correct target oxygen saturation is prescribed for the 1 patient (3.3%), patient with a target saturation range (0%), patient have a valid oxygen delivery device prescribed on the drug chart (3.3%), valid time duration for oxygen delivery mentioned in the drug chart (0%), documentation contain observation of oxygen saturation (100%)

Conclusions This audit uncovered major gaps in tertiary care hospital oxygen prescription. As many PACU patients who use supplemental oxygen are still at risk of developing hypoxic/hyperoxic injury due to non-complaint with local guidelines for oxygen prescription.