Assessment 

While assessing the patient with rheumatic fever, a detailed history including, problematic environmental factors or recent exposure to streptococcal infection is important. The clinical assessment is done by  the Jones major and minor criteria (revised) as shown in  table below: These are largely based on clinical findings and are essentially objective. 

Supporting Evidence of Streptococcal Infection 

Increased titre of anti streptococcal antibodies ASD (Antistreptolysin) Positive throat culture for B group streptococcus. 

The presence of  two major or one major and  two minor manifestations is requisite essential criteria for diagnosis of Rheumatic fever.