CNS infections Flashcards
List pathogens causing brain-lung syndromes
Nocardia, Crypto, Rhodococcus, TB, Aspergillus,
Bacterial causes of lymphocytic meningitis
TB, Rhodococcus, Syphillis, Borellia, Rickettsia, Nocardia, Actinomycoses, Mycoplasma
Viral causes of Lymphocytic meningitis
Herpes viruses, Enterovirus, HIV, HTLV-1, EBV, St Louis, Japanese, JC, Influenza and Polio
Fungal causes of lymphocytic meningitis
Cryptococcus, Histoplasmosis, cocciodiomycosis, and PCP
Contact lens keratitis pathogents (2)
Pseudomonas and Acanthomoeba
Parasites causing lymphocytic meningitis
P. falciparum, neurocysticercosis and toxplasmosis
Virus causing chronic meningitis in patient with x-linked agammaglobulinemia
Echovirus (also enterovirus)
Reason for ordering myelin basic protein on CSF in patients with encephalitis
To diagnose ADEM
Which of the following viral encephalitis causes presnet with neutrophil predominant CSF
West Nile Virus (neuroinvasive disease), Tickborne encphealitis, Eastern equine encephalitis
Viral encephalitidies that present with parkinson’s like pattern
WNV, St Louis, Japanese encephalitis
Testing for VZV encpephalitis
VZV IgG CSF to serum ratio. VZV PCR has sensitivity of only 30%.
Which of the following is true about recurrent benign lymphocytic meningitis
most likely to be caused by HSV 2 majority of female Mean age is 38 years average recurrences are 4 (Shalabi Clin Infec Dis 2006) Episodes last average of 6 days.
Therapy for HHV-6 encephalitis
ganciclovir or foscarnet
Mosquito transmitting WNV
culex mosquito
Most common cranial nerve affected by WNV
VII