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PLAB · GMC
MRCP(UK)
FRCPath · RCPath
No account needed
Try real questions
Two in every topic, marked straight away, with the guideline named. Get a plan when you are ready.
Pick an exam and a topic. 2 questions in every topic are open, marked straight away, each with the guideline it comes from. Nothing you type is stored.
Infectious diseases
A 52-year-old man attends the emergency department with a 24-hour history of fever, severe headache and photophobia. He is drowsy with a Glasgow Coma Scale score of 11 and has new weakness of the left arm and leg. Neck stiffness is present and there is no rash. Blood cultures have been taken and intravenous ceftriaxone and dexamethasone have already been started. Blood pressure is 128/76 mmHg and platelets are 210 × 10⁹/L (150–400).
What is the most appropriate next investigation?