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 68-year-old male visits his primary care physician after an episode of syncope during a tennis match. He reports exertional dyspnea with mild substernal chest pain. On physical exam a systolic crescendo-decrescendo murmur is heard best at the right 2nd intercostal space. This murmur was not heard at the patient's last appointment six months ago. Which of the following would most support a diagnosis of aortic stenosis?
assistant
Murmur radiates to carotid arteries bilaterally