A 32-year-old primigravid woman at 36 weeks gestation presents to the emergency department with a severe headache, blurry vision, and epigastric pain. Her blood pressure is 170/110 mmHg. Urine dipstick shows 3+ proteinuria. Deep tendon reflexes are 4+ with clonus. Which of the following is the most appropriate initial management step?
✓ Correct Answer: Option B
This patient has severe preeclampsia with features of impending eclampsia (hyperreflexia with clonus). Magnesium sulfate is crucial for seizure prophylaxis. Fetal monitoring is also essential for assessing fetal well-being.