Review Question - QID 212849

A 23-year-old woman presents to the emergency department after fainting at a baseball game. The patient was using the bathroom and upon standing up, felt a warm and tingling sensation followed by an episode of syncope that lasted for about 5 seconds. While the patient was unconscious, bystanders observed twitching and contractile motions of her upper extremities. When the patient awoke, she recalled falling and the events leading up to her fainting and was not confused. The patient has no other medical diagnoses. Her temperature is 97.7°F (36.5°C), blood pressure is 124/84 mmHg, pulse is 80/min, respirations are 12/min, and oxygen saturation is 98% on room air. Physical exam is notable for a healthy young woman. Cranial nerves II-XII are grossly intact, and cerebellar function and gait are unremarkable. She has normal strength of her upper and lower extremities. An ECG is notable for normal sinus rhythm with a normal axis and normal voltages. Which of the following is the best next step in management for this patient?