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22 Cards in this Set
- Front
- Back
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decussation of this spinal tract:
dorsal column |
medulla
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decussation of this spinal tract:
lateral corticospinal tract |
medullary pyrimad
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decussation of this spinal tract:
spinalthalamic tract |
white ventral commissure (1-3 segments up from lissauer's tract)
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what cerebral artery is a/w aphasia
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MCA
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features of brown-sequard syndrome |
DC/ML: Ipsilateral loss of proprioception & sensation (below) ANT HORN: Ipsilateral flaccid paralysis (level of lesion) LCST: Ipsilateral spastic paralysis (below) |
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meningitis organisms <1 month
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GBS
E coli Listeria |
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Rx for meningitis <1 month
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Cefotaxime* or Gentamycin
Ampicillin (Listeria coverage) *Ceftriaxone is CI'd in children due to biliary sludging |
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meningitis organisms in 1 month to 60 years
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S Pneumo
N Meningitis H Influenza |
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Rx for meningitis 1 month to 60 years
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Cefotaxime or Ceftriaxone
Vancomycin (for PCN-resist Pneumococcus) Dexamethasone (if > 6 months old) |
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meningitis organisms >60 years
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S Pneumo
Neisseria Listeria |
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Rx for meningitis >60 years
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Cefotaxime or Ceftriaxone
Vancomycin (for PCN-resist Pneumococcus) Ampicillin (for Listeria coverage) Dexamethasone |
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why is dexamethasone given with or prior to first antibiotic for meningitis
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CHILDREN: reduces risk of neurologic sequelae (e.g. deafness), esp HiB & TB Meningitidis
ADULTS: reduces morbidity & mortality in adults, esp Pneumococcal Meningitidis |
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organism responsible for meningitis:
gram + diplococci |
pneumococcal
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organism responsible for meningitis:
gram - diplococci |
neisseria
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organism responsible for meningitis:
small pleomorphic gram - coccobacilli |
H influenza
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organism responsible for meningitis:
gram + rods and coccobacilli |
listeria
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prophylaxis for those in close contact with meningitis with HiB or meningococcal
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rifampin
ciprofloxacin |
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when should a CT be done as a next step instead of LP in a px with meningitis
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SIGNS OF INCR'D ICP:
focal neurologic defects pupil asymmetry papilledema seizure suspicion of mass effect SOFT TISSUE INFECTION AT SITE OF LP BLEEDING DIATHESIS CARDIOPULMONARY INSTABILITY |
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what are the 4 MC sequelae of meningitis in children
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hearing loss
mental retardation seizure d/o spastic paralysis |
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AIDS pt has meningitis, what should be performed (why)
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india ink (r/o Cryptococcus)
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Rx for fungal meningitis
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amphoteracin B (intrathecally)
> 6 months should also receive dexamethasone |
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Rx for TB meningitis
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Rifampin
INH pyrizinamide ethambutal |
