A 30-year-old woman complains of an “achy” pain to both lower abdominal quadrants, which she states is made worse by walking. She further tells you that she recently finished her menstrual period. She has a fever of 101.9°F. Her blood pressure is 122/62 mm Hg, pulse rate is 84 beats/min and strong, and respirations are 14 breaths/min and unlabored. After gathering the rest of her medical history, you should: