Least common valve involved in rheumatic fever is
Endocarditis in rheumatic feverMitral valve involved almost all the cases of Acute Rheumatic FeverAlmost 25% of MR is associated with aoic regurgitationTricuspid regurgitation is seen in 10-30% of casesPulmonary valve involvement is never seen(Refer: Nelson's Textbook of Pediatrics, SAE, 1st edition, pg no. 1333 - 1335)
Aoic valve
Tricuspid valve
Mitral valve
Pulmonary valve
All India exam