Review Question - QID 216512

A 23-year-old woman presents to labor and delivery at 40 weeks gestation with abdominal contractions and leakage of fluid from her vagina. She subsequently undergoes an uncomplicated vaginal delivery. The child is healthy and is heated, suctioned, and stimulated. While holding her newborn, the mother endorses a headache, blurry vision, and abdominal pain. Her temperature is 98.0°F (36.7°C), blood pressure is 194/104 mmHg, pulse is 100/min, respirations are 18/min, and oxygen saturation is 98% on room air. Physical exam reveals an uncomfortable woman. There is blood in her vagina and her uterus is contracted. Her cranial nerve exam is unremarkable and she has normal strength and sensation. Laboratory studies and a urinalysis are pending. Which of the following is the most appropriate next step in management?