Q. A 46-year-old male presents to the emergency room for slurred speech, dizziness, and droopy eyelid. His wife notes that symptoms started four hours ago when he was sitting watching the television. He has a medical history of hypertension, hyperlipidemia, and diabetes.
His vitals are as follows: blood pressure 195/85 mmHg, heart rate 65, temperature 37.5°C, respiratory rate 11, oxygen saturation 96% on room air. Patient is awake and alert. He has a hoarse voice. His cranial nerve exam reveals right eye ptosis and miosis. The reminder of his cranial nerves are intact. He has 5/5 strength in upper and lower extremities. His sensation is intact to pinprick in the upper and lower extremities. He has an unsteady gait.
His clinical presentation is concerning for an acute stroke. What location is most likely to be affected in this patient?