Question

A 4-year-old boy presents with a fever of 39°C for 5 days. He has bilateral conjunctival injection (non-purulent), cracked red lips, a strawberry tongue, and a widespread polymorphous rash. He also has cervical lymphadenopathy. What is the most important investigation to arrange?

Accepted Answer

Echocardiogram

Answer

Blood cultures

Answer

Throat swab for Group A Streptococcus

Answer

Monospot test

Answer

Viral serology

Practice question

A 4-year-old boy presents with a fever of 39°C for 5 days. He has bilateral conjunctival injection (non-purulent), cracked red lips, a strawberry tongue, and a widespread polymorphous rash. He also has cervical lymphadenopathy. What is the most important investigation to arrange?