CNS INFX

Question 1

Bacterial Meningitis:
#1 ET

Answer 1

1. Strep pneumonia
2. Neisseria Meningitis
3. H. flu type B
4. Listeria Monocytogenes

Question 2

Bacterial Meningitis SS Triad

Answer 2

**Nuchal Rigidity **
Fever
Mental Status Change

Question 3

Brudzinaki vs Kernig Sign in BACTERIAL Meningitis

Answer 3

• Brudzinaki Sign = flex their neck -> hips flex to compensate
• Kernig Sign = With hips flexed at 90degrees, trying to full extend the legs is impossible/hurts like hell

think of a tight rubber band as your spinal cord

Question 4

CSF
- Bacterial Meningitis
- Aseptic Viral Meningitis

Answer 4

• Bacterial = LOW Gluc + HIGH Protein
• Viral = NORM Gluc + HIGH Protein

Question 5

Viral meningitis #1 ET

Answer 5

1. Enteroviruses
2. Arboviruses
3. HSV-2

Question 6

Viral meningitis risk factors

Answer 6

• Infants/young children
• Summer/fall, Tempered climates

Question 7

Viral meningitis increases your risk for which infx?

Answer 7

CMV

Question 8

Mumps causing viral meningitis is more common in

M? F?

Answer 8

M

Question 9

Chronic Meningitis = ____+ weeks

Answer 9

4

Question 10

Top 3 ET for Encephalitis

Answer 10

1. Arboviruses (Tropics, West Nile Virus)
2. HSV (Developed countries)
3. CMV (HIV/Immunocomp)

Question 11

Encephalitis CSF Results
- Protein?
- WBC?

Answer 11

HIGH Protein
HIGH WBCs

Question 12

Brain Bx is a last resort WU for which type of CNS infx?

Answer 12

Encephalitis

Question 13

Brain abscesses
- MC D/t ____ spread (Direct or Hematogenous?)
- #1 Organism?
- RF Gender? Age?

Answer 13

• DIRECT spread
• # 1 Srep
• M>F, 30-40yo

Question 14

Order a ___ for a brain abscess

Answer 14

MRI

Question 15

Brain abscess #1 Tx

Answer 15

Sx Drainage

Question 16

Brain abscess ABX
- Direct spread ->
- Trauma or Neuro SS ->

Answer 16

• Direct -> Ceftriaxone
• Trauma/Neuro -> Vancomycin