infections of the CNS

Question 1

meningitis:

Answer 1

acute inflammation of the leptomeninges due to bacteria growing within the CSF

Question 2

Encephalitis:

Answer 2

inflammation of the brain parenchyma

Question 3

brain abcess:

Answer 3

localized collection of pus within the brain parenchyma

Question 4

clinical S and S of cns infection:

Answer 4

sz
hemiparesis
aphasia
gaze preference

Question 5

subacute and chronic meningitis presentation:

Answer 5

fever, headache, meningismus, and altered mental status similar to an acute meningitis

Question 6

viral meningitis vs. HSV 1 encephalopathy

Answer 6

HSV 1 encephalitis is very destructive, causing necrosis and hemorrhage in the brain.

*Viral meningitis, in contrast, does not show necrosis of brain tissue and has a benign course.