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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 38-year-old male presents to his primary care physician complaining of increasing shortness of breath over the past 2 months. He reports experiencing an extended illness of several weeks as a child that required him to miss school. He is unsure but believes it involved a sore throat followed by a fever and joint pains. He does not recall seeing a physician or receiving treatment for this. Today, on physical examination, cardiac auscultation reveals an opening snap after the second heart sound followed by a diastolic murmur. A follow-up echocardiogram is conducted. Which of the following best explains the pathophysiology of this patient's condition?
assistant
Epitope homology