Once the clinical suspicion is established, the diagnosis is based on the combination of clinical, biochemical, endoscopic, histological and/or radiological criteria.
Jones
The 2015 Jones Criteria for Acute Rheumatic Fever (ARF)
The changes improve the diagnosis of ARF among moderate/high-risk populations and re-establish the Jones criteria as the international gold standard for ARF diagnosis.
Revised Jones Criteria for Acute Rheumatic Fever (ARF)
A firm diagnosis requires that two major or one major and two minor criteria are satisfied, in addition to evidence of recent streptococcal infection.