Flashcards in Micro: Viral CNS Deck (17):
Main viruses that cause meningitis
Main cause of CNS damage from viral infection.
Host immune response creates inflammation in a very confined space.
Treatment for viral meningitis.
Since it is usually self-limiting the symptoms are all that is treated.
What is the classic tetrad for viral meningitis.
Nuchal rigidity, photophobia, fever, headache
Main enteroviruses that cause meningitis and how do they reach the CNS?
Coxsackie A and B
-fecal oral contamination. Viruses travel thru lymphatics to the brain or CSF
Main risk for acquiring the enteroviruses
Swimming, especially during the summer months.
Main complications that occur with a mumps infection.
Bilateral parotits, orchitis
#1 cause of viral encephalitis
What type of scenario results in herpes-induced viral meningitis?
Vaginal delivery of a baby to a mother infected with HSV-2
Treatment for Herpes encephalitis or meningitis.
Most common virus that infects the temporal lobe leading to speech and memory symptoms.
How does rabies reach the CNS?
Retrograde transport thru nerve axons
Diagnostic symptom of a patient infected with rabies.
Major neural complication of the measles.
Subacute Sclerosing Pan Encephalitis
-caused by incomplete clearing of the primary measles infection leaving defective viruses behind