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16th August 2024
A 29-year-old man has been admitted with headache and fever. He is drowsy on assessment
A 29-year-old man has been admitted with headache and fever. He is drowsy on assessment and keeps his eyes closed in the consultation room.
On examination, Kernig’s sign is positive. You note a purpuric rash on the trunk.
A lumbar puncture is performed:
| CSF appearance | Cloudy | |
| Red cells | 14 | (0-10) |
| White cells | 1982 | (0-5) |
| Differential | 96% polymorphonuclear cells | (135-145) |
| Protein | 1.6 | (0.15-0.45) |
| Glucose | 2.3 (serum 6.1) | (~ >60% of serum) |
Which is the single most likely finding on CSF Gram staining?
Select the SINGLE most appropriate option from the list below. Select ONE option only.
Complete Guide to Clinical Genetics ST3 Application and Recruitment (2027)
Written by Medibuddy. Last updated: October 2026. Clinical Genetics is
Clinical Genetics ST3
Complete Guide to Clinical Radiology ST3 Application and Recruitment (2027)
Recruitment paused: NHS England is not running Clinical Radiology ST3+ recru
Clinical Radiology ST3
Complete Guide to Paediatric Surgery ST3 Application and Recruitment in United Kingdom (2026)
Written by Medibuddy. Last updated: October 2026. If you’re planning
Paediatric Surgery ST3
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