Review Question - QID 213350

A 31-year-old, G1P0 woman at 35 weeks of gestation comes to the emergency room for a severe headache. She reports that she was washing the dishes 2 hours ago when a dull headache came on and progressively worsened. She also reports 2 episodes of intermittent blurred vision over the past hour that has since cleared. Nothing similar has ever happened before. She denies any precipitating events, trauma, mental status changes, abdominal pain, lightheadedness, fever, ulcers, or urinary changes. Her temperature is 98.9°F (37.1°C), blood pressure is 160/110 mmHg, pulse is 98/min, respirations are 12/min, and oxygen saturation is 98%. A physical examination demonstrates a rash on her face that she states appeared when she switched cosmetic products recently. A urine test demonstrates the presence of protein. What is the most likely explanation for this patient’s symptoms?