Flashcards in Path: Infections Deck (14):
Group of diseases that cause congenital conditions if a fetus is exposed to them in the uterus.
Other (HIV, syphilis, varicella, mumps, parvovirus)
3 most common causes of bacterial neonatal meningitis.
1. Strep agalactiae
2. E. coli
3. Listeria m.
Most common bacterial causes of meningitis in adults.
Complication from meningococcal meningitis.
What is the difference in the WBC count between bacterial vs. viral meningitis?
Bacterial: increased PMNs
Viral: increased T cells (CD8)
Very common finding that is diagnostic of a brain abscess caused by Toxoplasmosis on CT scan.
Ring Enhanced Lesion
How does a TB meningitis lead to hydrocephalus?
TB causes chronic meningitis which leads to scarring of the arachnoid granulations and prevent CSF reabsorption.
Condition caused by neurosyphilis.
-posterior column and dorsal root disease
What structures are affected by HSV-1 encephalitis that lead to memory and mood change?
Memory: temporal lobe
Mood: frontal lobe
Histologic characteristic of CMV infection. Most commonly affects AIDS pateints.
Major cause of death from a rabies infection.
It is an ascending infection and causes death by respiratory failure.
Name the virus and cell type that it infects in Progressive Multifocal Leukoencephalopathy.
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.