<prompt> All the following are major criteria for diagnosis of rheumatic fever RF exceptCarditisPolyahritisFeverErythema marginatum  <response>: Guidelines for the clinical diagnosis of acute rheumatic fever, originally suggested by T. Duckett Jones have been revised by the American hea association and WHO. The guidelines consist of major, minor and essential criteria. Two major or one major and two minor criteria are required in the presence of essential criteria to diagnose acute rheumatic fever.WHO criteria for diagnosis of rheumatic fever RF and rheumatic hea disease based on the revised Jones criteria MajorMinorEssentialCarditisPolyahritisChoreaErythema marginatumSubcutaneous nodules Clinical fever, polyahralgia Laboratory elevated erythrocyte sedimentation rate, leukocyte countElectrocardiogram prolonged P-R interval antistreptolysin ;O; titer ASOPositive throat culture Presence of residua of scarlet fever Reference: Essential Paediatrics; O.P. Ghai; Page no: 435 