The Case A 65-year-old woman presents to your emergency department (ED) feeling fatigued and weak. Her history is vague, and you have to redirect her conversation many times. She appears drowsy but is easily rousable. Her blood work, ECG, chest x-ray, urine all come back normal. When you return to re-asses her, you see that she is quietly resting in your ED with her daughter at the bedside. Her daughter tells you that …