Least common valve involved in rheumatic fever-

Ans. is 'd' i.e., Pulmonary valve Endocarditis in rneumatic feverMitral valve involved almost all the cases of Acute Rheumatic Fever.Almost 25% of MR is asociated with aortic regargitation.Tricuspid regurgitation is seen in 10-30% cases.Pulmonary valve involvement is never seen.