Objective: This research aims to assess staff members' understanding of oxygen therapy (OT) in the ICUs and emergency departments at the Mayo Hospital in Lahore, Pakistan. Methods: An analytical cross-sectional investigation was carried out between October 2022 and March 2023. Five components of a questionnaire were used to evaluate the understanding of oxygen therapy. Through the use of the universal sample approach, 96 individuals (17 technicians and 79 nurses) who worked in the emergency room and critical care units of the Mayo Hospital in Lahore were included. SPSS 26 was used to analyze the data. Results: Each section of the knowledge tool evaluated a person's understanding of oxygen therapy. The study's findings revealed that, overall, 11.5 percent of the participants had a high understanding of oxygen therapy, 61.4% had a moderate understanding, and 27.1% had low knowledge. Conclusions: The research found that technicians' and nurses' familiarity with using oxygen therapy fell short of the required level.

oxygentherapy, ICU, nurse