Case Presentation: An 83-year-old female with a past medical history of COPD, CAD s/p CABG 2022, hypertension, hyperlipidemia presented to the hospital for an elective revision right hip total arthroplasty. She is on no home oxygen for her COPD and is prescribed steroids and Trelegy Ellipta by her PCP. She does not see a pulmonologist. [...]