CNS infections Flashcards

1
Q

List pathogens causing brain-lung syndromes

A

Nocardia, Crypto, Rhodococcus, TB, Aspergillus,

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2
Q

Bacterial causes of lymphocytic meningitis

A

TB, Rhodococcus, Syphillis, Borellia, Rickettsia, Nocardia, Actinomycoses, Mycoplasma

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3
Q

Viral causes of Lymphocytic meningitis

A

Herpes viruses, Enterovirus, HIV, HTLV-1, EBV, St Louis, Japanese, JC, Influenza and Polio

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4
Q

Fungal causes of lymphocytic meningitis

A

Cryptococcus, Histoplasmosis, cocciodiomycosis, and PCP

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5
Q

Contact lens keratitis pathogents (2)

A

Pseudomonas and Acanthomoeba

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6
Q

Parasites causing lymphocytic meningitis

A

P. falciparum, neurocysticercosis and toxplasmosis

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7
Q

Virus causing chronic meningitis in patient with x-linked agammaglobulinemia

A

Echovirus (also enterovirus)

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8
Q

Reason for ordering myelin basic protein on CSF in patients with encephalitis

A

To diagnose ADEM

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9
Q

Which of the following viral encephalitis causes presnet with neutrophil predominant CSF

A

West Nile Virus (neuroinvasive disease), Tickborne encphealitis, Eastern equine encephalitis

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10
Q

Viral encephalitidies that present with parkinson’s like pattern

A

WNV, St Louis, Japanese encephalitis

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11
Q

Testing for VZV encpephalitis

A

VZV IgG CSF to serum ratio. VZV PCR has sensitivity of only 30%.

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12
Q

Which of the following is true about recurrent benign lymphocytic meningitis

A
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.
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13
Q

Therapy for HHV-6 encephalitis

A

ganciclovir or foscarnet

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14
Q

Mosquito transmitting WNV

A

culex mosquito

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15
Q

Most common cranial nerve affected by WNV

A

VII

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16
Q

Viral enecphalitis with hig T2 signal intensity of substantial nigra

A

St. Louis

17
Q

primary reservoir host for Eastern equine encephalitis virus

A

Birds

18
Q

Colorado tick fever transmitted by which tick

A

Dermacentor Andersoni