Quick answer
How should I present a suspected bacterial meningitis case on rounds?
Lead with the fever, headache, neck stiffness, and especially the non-blanching rash, since that rash alone justifies immediate antibiotics. State that antibiotics were already given without waiting for CT or lumbar puncture, then give the CSF findings and Gram stain before confirming the diagnosis. End with contact prophylaxis and what remains pending.
Before you speak
Define the moment and the information you actually have
An emergency-department presentation after empiric antibiotics have already been given, once CT and CSF results return.
A supervising physician confirming the diagnosis and coordinating public-health notification.
History, vital signs, a meningeal and skin exam, non-contrast CT, and CSF analysis with Gram stain. Blood culture results are pending and not yet available.
About 90 seconds
Fictional training case: The presentation is locked to the simulated patient JSON. It names important unknowns instead of inventing an examination, vital signs, allergies, or tests.
Complete spoken example
First, read it once without stopping
The paragraph breaks show the clinical shape. In a real presentation, pause briefly between ideas rather than announcing the headings.
Mrs. Harris is a 38-year-old woman with no prior medical history who presents with 12 hours of fever, severe headache, and confusion, and a rapidly spreading non-blanching purple rash.
Her headache and fever came on rapidly over 12 hours with severe neck stiffness and photophobia, and over the past three hours her husband noticed the rash spreading across her legs, torso, and wrists without fading under pressure. She has become increasingly lethargic and confused.
She has no significant past medical history and works as an elementary school teacher, which raises the importance of identifying and treating close contacts.
Her vitals showed a heart rate of 132, blood pressure 88 over 54, a fever of 39.9 — solidly in the 39-to-40 range — and respiratory rate 24, consistent with septic shock. She has positive Kernig and Brudzinski signs and widespread non-blanching purpuric plaques. Head CT was normal, and her lumbar puncture showed an opening pressure of 280, white blood cells of 4,200 with 92% neutrophils, protein of 220, and glucose under 10, against a serum glucose of 110, with Gram stain showing gram-negative diplococci.
My diagnosis is bacterial meningitis and meningococcemia with septic shock, based on the fever, meningeal signs, non-blanching rash, and CSF findings consistent with Neisseria meningitidis.
Empiric IV antibiotics and dexamethasone were already given promptly after blood cultures were drawn, without waiting for CT or the lumbar puncture results. I would continue aggressive fluid and vasopressor support for septic shock, place her on droplet precautions, and arrange antibiotic prophylaxis for close household and medical contacts.
Build the presentation
Give every sentence one job
A presentation is a compressed clinical argument, not a chart read aloud. These six moves keep the facts connected to your reasoning.
Opening one-liner
Name the red-flag rash immediately
“Mrs. Harris is a 38-year-old woman with no prior medical history who presents with 12 hours of fever, severe headache, and confusion, and a rapidly spreading non-blanching purple rash.”
Why it belongs: A non-blanching rash with fever and headache is a specific red flag that by itself justifies immediate empiric antibiotics, so it belongs in the first sentence.
This is a 38-year-old with fever and a rash.
Mrs. Harris presents with fever, severe headache, confusion, and a rapidly spreading non-blanching purple rash.
Why: Naming the rash as non-blanching, not just present, is the detail that drives urgency.
History of present illness
Give the meningeal and rash progression
“Her headache and fever came on rapidly over 12 hours with severe neck stiffness and photophobia, and over the past three hours her husband noticed the rash spreading across her legs, torso, and wrists without fading under pressure. She has become increasingly lethargic and confused.”
Why it belongs: The rapid onset and the specific progression of the rash over hours, not days, supports an aggressive bacterial process rather than a benign viral illness.
She has a headache, fever, and a spreading rash.
Her headache and fever came on over 12 hours, and the non-blanching rash spread across her legs, torso, and wrists over three hours.
Why: Stating the specific timeframes conveys how rapidly this is progressing.
Relevant background
Confirm there is no complicating history
“She has no significant past medical history and works as an elementary school teacher, which raises the importance of identifying and treating close contacts.”
Why it belongs: An unremarkable background keeps the focus on the acute presentation, while her occupation is relevant to the scale of contact tracing needed.
She's otherwise healthy and works with kids.
She has no significant past medical history and works as an elementary school teacher, which is relevant to contact tracing.
Why: Connecting the occupation to its clinical relevance is more useful than mentioning it as a passing detail.
Objective data
Give vitals, the meningeal and skin exam, and the CSF findings
“Her vitals showed a heart rate of 132, blood pressure 88 over 54, a fever of 39.9 — solidly in the 39-to-40 range — and respiratory rate 24, consistent with septic shock. She has positive Kernig and Brudzinski signs and widespread non-blanching purpuric plaques. Head CT was normal, and her lumbar puncture showed an opening pressure of 280, white blood cells of 4,200 with 92% neutrophils, protein of 220, and glucose under 10, against a serum glucose of 110, with Gram stain showing gram-negative diplococci.”
Why it belongs: The hypotension confirms septic shock alongside the meningitis, the normal CT confirms it was safe to proceed to lumbar puncture, and the CSF profile and Gram stain together confirm bacterial rather than viral meningitis.
Her spinal fluid was abnormal and showed bacteria.
Her CSF showed 4,200 white blood cells with 92% neutrophils, protein of 220, glucose under 10, and Gram stain showing gram-negative diplococci.
Why: Exact values and the specific organism morphology let the listener judge the evidence rather than accept a summary.
Assessment
Confirm the diagnosis and its severity
“My diagnosis is bacterial meningitis and meningococcemia with septic shock, based on the fever, meningeal signs, non-blanching rash, and CSF findings consistent with Neisseria meningitidis.”
Why it belongs: Naming both the meningitis and the systemic meningococcemia with shock reflects the full severity of the presentation, not just the CNS component.
This is meningitis.
This is bacterial meningitis and meningococcemia with septic shock, consistent with Neisseria meningitidis on Gram stain.
Why: Naming the systemic component and the likely organism is more complete than the diagnosis alone.
Plan
Confirm antibiotic timing and contact prophylaxis
“Empiric IV antibiotics and dexamethasone were already given promptly after blood cultures were drawn, without waiting for CT or the lumbar puncture results. I would continue aggressive fluid and vasopressor support for septic shock, place her on droplet precautions, and arrange antibiotic prophylaxis for close household and medical contacts.”
Why it belongs: Confirming that antibiotics were not delayed for testing is the single most important safety point in this case, and contact prophylaxis is a public-health responsibility that should not be forgotten.
We gave antibiotics and I'll check on the contacts later.
Empiric antibiotics and dexamethasone were given immediately after blood cultures, without waiting for CT or lumbar puncture, and I have arranged prophylaxis for close contacts.
Why: Stating that treatment was not delayed for testing directly addresses the most dangerous error in this presentation.
Do not fill the blanks
Say what has not yet been established
Real presentations often happen before the chart is complete. A brief, explicit limitation is safer and more credible than a polished invention.
Blood culture results
Say: “Blood cultures were drawn before antibiotics but the results are still pending in this simulation.”
Cultures confirm the organism and guide any antibiotic narrowing, but treatment should not wait for them.
Coagulation studies
Say: “Coagulation studies are not documented in this simulation and are important given the purpuric rash and possible disseminated intravascular coagulation.”
Purpura fulminans can be associated with coagulopathy that changes monitoring needs.
Clinical compression
What leads, what stays, and what can wait?
| Source detail | Decision | Reason |
|---|---|---|
| Non-blanching purple rash spreading over three hours | Lead | This single finding justifies immediate empiric antibiotics regardless of other findings. |
| 12-hour onset of fever, headache, and neck stiffness | Lead | The rapid onset supports an aggressive bacterial process. |
| Elementary school teacher occupation | Compress | Relevant mainly for the scale of contact tracing, not for the acute diagnosis. |
| CSF opening pressure, white cell count, protein, glucose, and Gram stain | Lead | This is the definitive evidence confirming bacterial meningitis and its likely organism. |
| Hypotension of 88 over 54 | Include | It confirms septic shock is present alongside the meningitis and changes the resuscitation plan. |
After the presentation
Likely attending questions
Answer the question first, then give the evidence. If the source case does not contain the answer, say what you would verify.
Why did antibiotics come before the lumbar puncture results?
Empiric antibiotics and dexamethasone must never be delayed for a lumbar puncture or CT if either would take time, because delaying treatment for bacterial meningitis worsens outcomes; blood cultures were drawn first to preserve the chance of identifying the organism.
How do you know this is bacterial and not viral meningitis?
The CSF profile of markedly elevated neutrophil-predominant white cells, high protein, and very low glucose, together with gram-negative diplococci on Gram stain, is characteristic of bacterial rather than viral meningitis, which typically shows a lymphocyte-predominant picture with normal glucose.
Who needs prophylaxis?
Close household and medical contacts with significant exposure need antibiotic prophylaxis; the exact list and agent should follow local public-health guidance and be arranged promptly given her occupation and contacts.
Self-check
A 30-second check before you present
- Name the non-blanching rash explicitly, not just 'a rash.'
- State that antibiotics were given before CT or lumbar puncture results.
- Report vitals to confirm whether septic shock is present.
- Give the CSF opening pressure, cell count, protein, glucose, and Gram stain.
- Name both the meningitis and any systemic meningococcemia.
- State the antibiotic and steroid timing relative to blood cultures.
- Mention contact prophylaxis and public-health notification.
- State what results, such as blood cultures, are still pending.
Common presentation problems
Repair the habits that make a case hard to follow
Waiting to mention treatment until after describing every test result
Repair: State early that antibiotics were already given without delay for testing.
Calling the rash simply 'a rash' without describing it as non-blanching
Repair: State explicitly that it does not fade with pressure, since that is the red flag.
Forgetting contact prophylaxis
Repair: State that prophylaxis for close contacts is being arranged.
Treating CSF glucose alone as diagnostic
Repair: State the full CSF profile and Gram stain together, not one value in isolation.
Frequently asked questions
Oral case presentation questions
Should I wait for the Gram stain before starting antibiotics?
No. Empiric antibiotics are started based on clinical suspicion, and the Gram stain and culture refine the choice afterward rather than delaying the first dose.
How much of the CSF panel should I recite?
Give the full panel here because it confirms the bacterial diagnosis; in a less certain case, the most discriminating values still deserve exact numbers rather than a summary.
How long should this presentation be?
This worked example targets about 90 seconds. An initial alert before treatment would be much shorter and would focus on the rash and vitals alone.
Practice out loud
Turn the patient encounter into your own presentation
Bedside English lets you interview an AI patient, then practice presenting the collected case to an AI attending and respond to follow-up questions.
Editorial record
Sources, provenance, and review boundary
The patient facts come from simulated case em_008. Clinical framing and presentation design were checked against the sources below. This page teaches clinical communication and reasoning; it is not medical advice or a local protocol.
- IDSA Clinical Practice Guidelines for the Management of Bacterial MeningitisInfectious Diseases Society of America · accessed 2026-09-03
- Feedback on Oral Presentations during RoundsStanford Medicine · accessed 2026-09-03
- Clinical Teaching Tools: OMP and SNAPPSUCSF Medical Education · accessed 2026-09-03
Published: · Last source, safety, and language review:
