Chart-15

A nine-year-old girl complains of pain and swelling of the knee joint.

On Examination: Patient has pericardial friction rub, tachycardia and arrhythmias

Laboratory Findings 

ESR : 82 mm at the end of 1 hr 

ASLO titre : positive up to 800 IU /ml 

CRP : 30 IU / L 

A. Interpret the results and give your diagnosis

A nine-year-old girl is having arthralgia, pericardial friction rub, tachycardia and arrhythmias (involvement of heart), increased ESR, positive ASLO titres and increased C reactive protein. 

Diagnosis: Rheumatic fever

B. Mention the criteria to make the above diagnosis

Jones Criteria is used for the diagnosis of rheumatic fever

Major Criteria

Migratory polyarthritis of large joints

Pancarditis

Subcutaneous nodules

Erythema Marginatum

Sydenham’s chorea

Minor Criteria

Fever

Arthralgia

Increased ESR

Increased or rising ASLO titres

Increased C reactive protein levels

Increased acute phase reactants

Prolonged PR interval

For diagnosis: Two major criteria or one major and two minor criteria are required.