Meninges

Question 1

CSS of meningeal irritation (3)

Answer 1

1. Headache
2. Stiff neck (nuchal rigidity)
3. Alteration in consciousness

Question 2

CNS routes of infectionous spreads (5)

Answer 2

Hematogenous spread

2. Ongoing infection in skull or spine
3. Direct trauma (skull fx)
4. Congenital malformations (rare)
5. Iatrogenic (due to surgery)

Question 3

leptomeninges

Answer 3

pia and arachnoid maters

Question 4

Chemical meningitis

Answer 4

(occurs due to nonbacterial)

Due to pharmacological drug, contrast dye injected

Question 5

• Acute pyogenic meningitis
• CSS
• Tx

Answer 5

CSS (triade): fever, neck stiffness, headache/altered mental status

Tx [medical emergency]: Vaccine, lumbar puncture to get CSF sample, antibiotics via IV, treat close contacts

Question 6

Aseptic meningitis (viral)

Answer 6

Inc in lymphocytes
Short duration
Tx: spontanious recovery

Question 7

3 types of meningitis

Answer 7

Chemical (drug, non-bacterial)
Actue pyogenic (Bacterial)
Aseptic (viral)

Question 8

• Brudinkski’s test

- Kernig’s sign

Answer 8

• Brudinkski’s test: Severe stiffness of hams. Hip flexed to 90, hams cannot straighten leg
• Kernig’s sign: Pts hips and knees are flexed, then neck is flexed. Stiff neck is CSS
• Not indiciative