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
An 81-year-old woman comes to the emergency department due to a left-sided paralysis for the past 2 hours. Her husband says her symptoms began suddenly, and she is also unable to speak. Her pulse is 90/min, respirations are 18/min, temperature is 36.8°C (98.2°F), and blood pressure is 150/98 mm Hg. An ECG is obtained and is shown below. Which of the following is the most probable cause of the patient's paralysis?
assistant
Cardioembolic stroke