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15 Cards in this Set
- Front
- Back
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Most common cause of aseptic meningitis
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enterovirus
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Different leukocyte findings (in CSF) between aseptic and septic meningitis
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in aseptic (viral) will be mostly lymphocytes, in septic (bacterial) will be mostly neutrophils
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Most common cause of septic meningitis in newborns, and treatment
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Group B Strep: Treatment
Ceftriaxone and amoxicillin. Could also treat with Penicillin G. also prednisone to reduce inflammation and scarring |
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Most common cause of meningitis in the 3 month old through adolescence, with up to date immunizations
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Neisseria gonorrhoeae: Treatment
Ceftriaxone. Could also treat with Penicillin G also prednisone to reduce inflammation and scarring |
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Most common cause of meningitis in the 3 month old through adolescence, without up to date immunizations
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Haemophilus influenzae:
Ceftriaxone and amoxicillin. Could also treat with Penicillin G |
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Most common cause of septic meningitis in the elderly
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Strep pneumococcus and Listeria monocytogenes
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CSF findings for septic (bacterial) meningitis
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very high neutrophil count, low glucose level, high protein, very high opening pressure
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CSF findings for aseptic (viral) meningitis
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high lymphocytes, normal glucose, high protein, high opening pressure
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CSF findings for fungal or TB caused meningitis
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high lymphocytes, low glucose, high protein, high opening pressure.
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Common features of encephalitis
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perivascular cuffs of lymphocytes, microglial nodules, neuronophagia
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clinical features of encephalitis
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mental status changes, fever and headache
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causes of encephalitis
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Herpes simplex type 1(goes to temporal region), Rabies(goes to cerebellum and hippocampus) HIV (aids dementia complex)
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In Rabies caused encephalitis, what will you see microscopically in the cerebellum
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Pink inclusions in the neuronal cell cytoplasm, called negri bodies
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Diagnostic Criteria for AIDS related encephalitis
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multinucleated giant cells in brain, in spinal cord it has vacuolar myopathy.
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Cause of progressive multifocal leukoencephalopathy (PML)
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JC virus
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