Case Presentation
A 22-year-old woman presented to the OR for a rectal examination and rectal fistula repair. She had a body mass index of 35 kg/m2 and a history of hypothyroidism, depression and migraines. Upon presentation, her hypothyroidism had resolved and levels of thyroid-stimulating hormone and free thyroxine were normal. Her medications consisted of ibuprofen, oxycodone, sumatriptan and venlafaxine. She received 2