Jones Criteria Explained: Diagnosing Acute Rheumatic Fever Made Simple

Jones Criteria Explained: Diagnosing Acute Rheumatic Fever Made Simple

Question.  Describe briefly, diagnosis of rheumatic fever.
Or
Write short notes on Jones’ criteria for rheumatic fever.
Or
Write a short note on Duke Jones’ criteria in acute rheumatic fever.

Answer.

Clinical Rheumatic Fever

1. Fever
2. Arthralgia
3. Previous history of rheumatic fever or rheumatic heart disease.

Laboratory Rheumatic Fever

1. Acute phase reactants (leucocytosis, raised ESR, C­ C-reactive protein)
2. Prolonged PR interval in ECG.

Jones Criteria Explained: Acute Rheumatic Fever Diagnosis

Essential Criteria of Rheumatic Fever

Evidence for recent streptococcal infection, as evidenced by:

1. Increase in ASO titer

1. > 333 Todd units (in children).
2. > 250 Todd units (in adults).
3. Positive throat culture for streptococcal infection
4. Recent history of scarlet fever.

Confirmation of Diagnosis of Rheumatic Fever

The result is based on the Presence of two or more major criteria or one major and two minor criteria; in the presence of essential criteria, it is required to diagnose acute rheumatic fever.

ones Criteria for Acute Rheumatic Fever Diagnosis