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Clinical Neuro Exam 1 > Path: Infections > Flashcards

Flashcards in Path: Infections Deck (14):
0

Group of diseases that cause congenital conditions if a fetus is exposed to them in the uterus.

TORCH
Toxoplasmosis
Other (HIV, syphilis, varicella, mumps, parvovirus)
Rubella
CMV
Herpes Simplex

1

3 most common causes of bacterial neonatal meningitis.

1. Strep agalactiae
2. E. coli
3. Listeria m.

2

Most common bacterial causes of meningitis in adults.

Neisseria meningitidis
Strep pneumo

3

Complication from meningococcal meningitis.

Waterhouse-Fridereichsen syndrome
-adrenal hemorrhage

4

What is the difference in the WBC count between bacterial vs. viral meningitis?

Bacterial: increased PMNs
Viral: increased T cells (CD8)

5

Very common finding that is diagnostic of a brain abscess caused by Toxoplasmosis on CT scan.

Ring Enhanced Lesion

6

How does a TB meningitis lead to hydrocephalus?

TB causes chronic meningitis which leads to scarring of the arachnoid granulations and prevent CSF reabsorption.

7

Condition caused by neurosyphilis.

Tabes Dorsalis
-posterior column and dorsal root disease

8

What structures are affected by HSV-1 encephalitis that lead to memory and mood change?

Memory: temporal lobe
Mood: frontal lobe

9

Owl Eyes

Histologic characteristic of CMV infection. Most commonly affects AIDS pateints.

10

Major cause of death from a rabies infection.

It is an ascending infection and causes death by respiratory failure.

11

Name the virus and cell type that it infects in Progressive Multifocal Leukoencephalopathy.

JC polyomavirus
-infects oligodendrocytes

12

What infectious agent leads to Subacute Sclerosing Panencephalitis and what is the mechanism of tissue destruction?

Infection with measles virus that doesn't get cleared from a primary infection and becomes altered.

-demyelinating disease

13

Main fungal infection in AIDS patients.

Cryptococcus neoformans