6: Neurologic Infectious Diseases - Friedgood Flashcards

1
Q

spinal taps can be done

A

anywhere below L2

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2
Q

epidemic meningitis in schools/army camps is usually

A

meningococcus bacterial meningtitis

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3
Q

s/s bacterial meningitis

A
  • chills fever headache
  • neck pain stiffness
  • altered mental state
  • seizures
  • petechial rash
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4
Q

if question of meningitis, give CSF tap _____ treating with antibiotics

A

before

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5
Q

most common bacterium causing community acquired bacterial meningitis

A

s. pneumonia
30-50%

20-45% fatality rate

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6
Q

bacterial v. viral v. fungal v. TB

CNS infections

A

bacteria have increase polys, increased prtn and decreased glucose

viral has increased monos, normal prtn and glucose

fungal has mixed cells, increased prtn, decreased glucose, INDIA INK STAIN

TB, mixed, increased increased prtn, decreased glucose, ACID FAST stain

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7
Q

direct infection of spinal cord

A

myelitis

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8
Q

infection of brain itself

A

encephalitis

usually a virus - herpes ans west nile virus symptomatically

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9
Q

describe poliomyelitis

A
  • enterovirus
  • 1st acute infection in GI
  • later flaccid paralysis attacking alpha motor neurons
  • occasional brain involvement
  • post polio syndrome 30-40 yr later
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10
Q

treatment for herpes simplex encephalitis

A

often temporal lobe

treat with acyclovir, steroids, anticonvulsants

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11
Q

progressive multifocal leucoencephalopathy PML

A
  • slowly progressive infection with demyelination and demention
  • activation of the latent JC virus we are all carying
  • associated with taking Tysabri
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12
Q

most common brain fungal infection

A

cryptoccoccus

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13
Q

spirochete infections

A
  • lyme neuroborreliosis

- neurosyphilis

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14
Q

bulls eye rash on skin

A

borrelia burgdorferi

erythema migrans, facial n. palsy, meningoencephalitis, neuropathy

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15
Q

neurosyphilis

A

treponema pallidum

tabes dorsalis, meningoencephalitis

positive romberg sign

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16
Q

encystment with larvae of taenia solium

A

cerebral cysticercosis

multiple cysts/calcified lesions in brain

headaches, seizures, focal deficits

uncooked pork