Infection

Question 1

How does meningitis present in infants?

Answer 1

Neck stiffness may be absent, may present with listlessness and irritability or obtundation.

Question 2

Where do metastatic abscesses arising from hematogenous dissemination primarily occur?

Answer 2

At white and grey matter junction, incidence proportional to degree of blood it recieves – most occur near MCA

Question 3

What organism is most isolated from 80% of brain abscesses?

Answer 3

Streptococci

Question 4

Other common pathogens seen in metastatic hematogenous infections are?

Answer 4

Streptococci
Enterobacteria
Gram Negative Bacilli

Question 5

What is the pathogen most commonly seen in trauma?

Answer 5

Staph Aureus

Question 6

What is more sensitive for distinguishing tumor from abscess?

Answer 6

MRI

Question 7

What are the most common abx for brain abscesses?

Answer 7

penicillin
ceftriaxone
metronidazole
vancomyin if post surgical