Question

A 3-year-old with fever of 39°C, irritability, and a non-blanching rash is suspected of meningococcal disease. According to NICE, which single best initial investigation helps confirm meningococcal infection?

Accepted Answer

Blood culture and PCR for Neisseria meningitidis

Answer

Serum lactate

Answer

Lumbar puncture

Answer

Full blood count

Answer

CRP level

Practice question

A 3-year-old with fever of 39°C, irritability, and a non-blanching rash is suspected of meningococcal disease. According to NICE, which single best initial investigation helps confirm meningococcal infection?