Meningitis Flashcards Preview

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Flashcards in Meningitis Deck (12)
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1
Q

What are the most common causes of meningitis in neonates?

A

Group B streptococci, Listeria monocytogenes, E. coli

2
Q

What is the most common cause of meningitis in children and teenagers?

A

Neisseria meningitidis; occurs through nasal pharynx –> blood –> meninges

3
Q

What is the most common cause of meningitis in adults and elderly?

A

Streptococci pneumoniae

4
Q

What is the most common cause of meningitis in unvaccinated infants?

A

Haemophilus influenzae

5
Q

What is the most common viral cause of meningitis?

A

Coxsackie virus in children- fecal-oral transmission

6
Q

Fungi commonly cause meningitis in which type of individuals?

A

Immunocompromised patients

7
Q

Which layer does a lumbar puncture not pierce through?

A

Pia! LP samples CSF in subarachnoid space

8
Q

What complications are seen with bacterial meningitis?

A

Complications due to:

(1) No room –> herniation –> death
(2) Healing process –> fibrosis –> hydrocephalus, hearing loss, seizures

9
Q

What is the clinical presentation of meningitis?

A

Classic triad: headache, nuchal rigidity, fever + photophobia, altered mental status, vomiting

10
Q

What should be performed before a LP for meningitis?

A

CT Scan! To make sure no shifts, masses or abnormalities

11
Q

What treatments are recommended for bacterial meningitis if bacteria is unknown?

A

Vancomycin + 3rd generation cephalosporin - broad coverage; important to start treatment right away!

12
Q

Vaccines exist for which of the bacteria that cause meningitis?

A

Haemophilus B, Neisseria meningitidis (for high risk individuals), Strep pneumo (7 and 23 valent) but NOT for E. coli