A 6-year-old Aboriginal boy from a remote community presents with fever, migratory polyarthritis and a new pansystolic murmur at the apex. There is a ...

Question

A 6-year-old Aboriginal boy from a remote community presents with fever, migratory polyarthritis and a new pansystolic murmur at the apex. There is a history of recent sore throat. According to Australian ARF guidelines, what is the most important initial investigation to support the suspected diagnosis of acute rheumatic fever?

Accepted Answer

Anti-streptolysin O (ASO) and other streptococcal serology plus echocardiography

Answer

Rheumatoid factor

Answer

Throat swab culture only

Answer

ANA and ENA antibodies

Answer

CT scan of the chest

au-racgp MCQ (SBA): Acute rheumatic fever