Review Question - QID 108122

A 26-year-old woman with a history of asthma presents to the emergency room with persistent gnawing left lower quadrant abdominal pain. She first noticed the pain several hours ago and gets mild relief with ibuprofen. She has not traveled recently, tried any new foods or medications, or been exposed to sick contacts. She is sexually active with her boyfriend and admits that she has had multiple partners in the last year. Her temperature is 99.5°F (37.5°C), blood pressure 77/45 mmHg, pulse is 121/min, and respirations are 14/min. On exam, she appears uncomfortable and diaphoretic. She has left lower quadrant tenderness to palpation, and her genitourinary exam is normal. Her urinalysis is negative and her pregnancy test is positive. Which of the following would be the appropriate next step in management?