Meningitis Flashcards
Meningitis can be classified by etiology into:
- Bacterial meningitis
- Viral meningitis (aseptic)
- Fungal meningitis
Most common cause of meningitis is […]
Viral
What viral organism may cause meningitis ?
Enteroviruses (coxsackie)
HSV-2
HIV, West Nile, VZV
What bacterial organisms may cause meningitis ?
- S. Pneumoniae
- N. Meningitidis
- H. Influenzae (non vaccinated)
- GBS (neonates)
- Listeria (extreme age, pregnant, immunocompromised)
What is the most common bacterial organism in meningitis ?
S. Pneumonea
Most common agent:
Meningitis in HIV patient
CD4 <50: Cryptococcus
Most common agent:
Meningitis with history of swimming in river
Naegleria fowleri
Most common agent:
Meningitis with petechial rash
Neisseria Meningitidis
What are the symptoms of meningitis
Fever
Headache
Photophobia
Nuchal regidity
Presentation of :
Fever
Headache
confused / altered sensation
Encephalitis
Presentation of :
Fever
Headache
focal neurological deficit
Brain abscess
What are the positive signs of meningitis on examination ?
Kernig’s (hip flexion)
Brudzinski’s (neck flexion)
Meningitis spread by […]
Droplet
Patient with meningitis need to be isolated for […] of antibiotics
24 hours
[…] is needed for diagnosis of meningitis
LP
with gram stain & culture
What are contraindications for LP in patient with meningitis ?
signs of 🔺ICP
- papilledema
- focal neurological deficit
- altered mental status
- new onset seizure
CNS lesion
immunocompromised
What are the CSF findings in viral meningitis ?
Cell type : Lø
Protein: N/🔺
Glucose: 🟢
What are the CSF findings in bacterial meningitis ?
Cell type : PMNs
Protein: 🔺
Glucose: 🔻
What are the CSF findings in fungal meningitis ?
Cell type : Lø
Protein: 🔺
Glucose: 🔻
What are the CSF findings in TB meningitis ?
Cell type : Lø
Protein: 🔺🔺🔺
Glucose: 🔻
Normal CSF cell count […]
<5
Meningitis with low attenuation over tempo-parietal area
Most common causative agent […]
HSV
Most common late complication of meningitis […]
Hearing loss
Viral Meningitis treatment
Supportive
