Q. A 29-year-old primigravida at 38 weeks of gestation presents to the emergency department with a sudden onset of generalized tonic-clonic seizures half an hour ago. Her antenatal records show that she has gestational hypertension and is not on any medication. Her temperature is 98.4°F (36.9°C), pulse is 100/min, blood pressure is 170/110 mmHg, and respirations are 16/min. On physical examination, she appears agitated. Her reflexes are brisk, and she has sustained clonus. The fetal heart rate is 106/min. Laboratory investigation shows proteinuria of 4+ on dipstick testing. What is the most appropriate next step in her management?