Problem: A 68-year-old client presents to an urgent care clinic reporting a brief, sudden "spell" earlier in the day. At that time, she reports subjective word-finding difficulty and right arm weakness. She reports that her symptoms resolved within minutes. Blood work and ECG are ordered at the urgent care clinic and pending. PMH: - Hypertension x1 year (HCTZ) - Type 2 DM (diet-controlled) - Coronary artery disease - Atrial Fibrillation (rate-controlled) Social Hx: 1/2 PPD smoker The client is admitted to the hospital for further testing and started on Aspirin (81 mg PO daily). What other diagnostic tests would be appropriate for this clients condition?