Pediatrics Earliest valvular lesion in a case of acute rheumatic fever is – A Mitral regurgitation (MR) B Aortic Regurgitation(AR) C Mitral stenosis (MS) D Aortic Stenosis (AS) 💡 Explanation Earliest valvular lesion in a case of acute rheumatic fever is – ✓ Correct Answer: A. Mitral regurgitation (MR)