Review Question - QID 214280

A 25-year-old woman presents to the emergency department after developing slurred speech and left upper extremity weakness. Her symptoms began 2 hours prior to presentation and have progressively worsened. She has no significant medical history. She takes an oral contraceptive pill daily and recently returned from a trip to Japan. She has had leg pain over the last 2 days. Her temperature is 98.6°F (37.0°C), pulse is 90, blood pressure is 140/90 mmHg, and respirations are 14/min. Physical examination is notable for a left-...