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 71 year-old female is brought to the emergency room by her husband. The husband reports that they were taking a walk together one hour ago, when his wife experienced sudden, right arm and leg weakness. He noticed that she had slurred speech, and that she was not able to tell him where she was. The patient underwent an emergent CT scan, which was unremarkable, and was treated with tissue plasminogen activator (tPA). Which of the following EKG findings increases a patient's risk for this acute presentation?
assistant
Atrial fibrillation