<prompt> Which is a minor criteria for diagnosis of RF according to modified Jones criteriaASO titrePast history of rheumatic feverFeverSubcutaneous nodules  <response>: Ref Harrison 19 th ed pg 2152 Table- 381-2 Minor manifestations Clinical: fever, polyahralgia Laboratory: elevated erythrocyte sed- imentation rate or leukocyte counte Electrocardiogram: prolonged P-R interval 