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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.
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MC valve involved in Rheumatic fever -
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The correct answer is  Rheumatic fever is an acute , immunologically mediated multisystem inflammatory disease that occurs after group A streptococcal infection The valvular disease principally takes the form of deforming mitral stenosis; indeed rheumatic hea disease is essentially the only cause of acquired mitral stenosis Robbins 9 th page no. 391