Jones' criteria for diagnosis of rheumatic fever
Evidence of a recent streptococcal infection, and the presence of two major, or one major and two minor Jones criteria indicates a high probability of rheumatic fever.
However, in some situations, RF can be diagnosed without fulfillment of the Jones' criteria:
- chorea - if other causes have been excluded and there is evidence of a preceding streptococcal infection
- insidious or late onset carditis - if there is no other explanation for the development of carditis and there is evidence of preceding streptococcal infection
- rheumatic recurrence:
- this diagnosis can be made if there is documented rheumatic heart disease and the presence of one other criterion - or arthralgia, fever, and an increase in acute phase markers
- these features are suggestive of a recurrence
- recent streptococcal infection must be demonstrated
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