system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
A 58-year-old right-handed man is brought to the emergency department after he was found unconscious in his living room by his wife. She reports that he has never had a similar episode before. The patient has hypertension and consumes multiple alcoholic drinks per day. On arrival, he is confused and oriented only to person. He cannot recall what happened. He has difficulty speaking and his words are slurred. He reports a diffuse headache and muscle pain and appears fatigued. His temperature is 37°C (98.6°F), pulse is 85/min, respirations are 14/min, and blood pressure is 135/70 mm Hg. Examination shows a 2-cm bruise on his right shoulder. Strength is 5/5 throughout, except for 1/5 in the left arm. The remainder of the physical examination shows no abnormalities. An ECG shows left ventricular hypertrophy. A CT scan of the head without contrast shows no abnormalities. Which of the following is the most likely underlying cause of this patient's symptoms?
assistant
Seizure