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CNS II
Review
38
Medical
Professional
09/13/2011

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Cards

Term
Define epidural abscess
Definition
localized infection between the dura mater and the skull or vertebral column
Term
What can cause intracranial epidural abscess
Definition
frontal sinusitis, craniotomy, or mastoiditis, osteomyelitis and subdural empyema
Term
How are spinal epidural abscess disseminated
Definition
Hematogenous spread, direct seeding of epidural space; Vertebral osteomyelitis with extention to the epidural space
Term
What is spinal epidural abscess commonly assoc. with
Definition
Diabetes mellitus
IV drug abuse
Chronic renal failure
Alcoholism
Cancer
Term
What bact. causes most cases of spinal epidural abscess
Definition
Staph aureus, followed by Strep, Pseudomonas aeruginosa + E. coli
Term
Where in children is spinal epidural abscess commonly found in
Definition
lumbar and cervical spine
Term
Where are most spinal epidural abscess commonly found in
Definition
thoracic area
Term
What are the clinical presentation of spinal epidural abscess
Definition
Focal vertebral pain, Pain radiates along the nerve root, Spinal cord compression, Paralysis, Headache, Nuchal rigidity and focal tenderness
Term
What is the diag test of choice for spinal epidural abscess
Definition
MRI; Plain X-ray show osteeomyelitis
Term
What can cause spinal epidural abscess
Definition
Catheter, IV drug users, vertebral osteomyelitis
Term
What are the complications of spinal epidural abscess
Definition
endocarditis, vertebral osteomyelitis, psoas muscle abscess
Term
Describe Prion protein
Definition
Proteinaceous infection particles that lack nucleic acids
Term
How are Prion diseases caused
Definition
transmitted by infected brain material; long incubation period
Term
Scrapie is assoc with what animal
Definition
Sheep
Term
BSE is assoc with what animal
Definition
Cattle
Term
Chronic wasting disease is assoc with what animal
Definition
Deer, elk
Term
Transmissible mink encephalopathy is assoc with what animal
Definition
mink
Term
How is Kuru caused
Definition
In New Guinea; ritual cannibalism
Term
Clinical presentation of Kuru
Definition
Prodrome: headaches and arthralgias -- Ataxia, action tremor, involuntary movements, dementia, CN abnormalities, weakness
Term
Gerstmann-Strausser-Scheinker Syndrome
Definition
Midlife progressive spinocerebellar degeneration and dementia
Term
Fatal Familial Insomnia
Definition
Progressive insomnia, dysautonomia (hyperhydrosis, hyperthermia, tachycardia, and hypertension), motor disturbances
Term
How are Familial CJD inherited
Definition
Autosomal dominant
Term
What is mysterious about sCJD
Definition
Unidentified virus
Spontaneous generation of a non-viral agent through cell mutation
Term
Clinical presentation of sCJD
Definition
P)rodrome: anxiety, sleep disturbance, weight loss -- Cognitive decline and behavioral disturbances, ataxia
Term
EEG findings of sCJD
Definition
periodic triphasic waves
Term
CSF finding in sCJD
Definition
14-3-3
Term
What is vCJD linked to
Definition
BSE
Term
Clinical findings of vCJD
Definition
Present with sensory and psychiatric disturbances, Ataxia, slurred speech, tremor, Akinetic mute state

Longer duration of disease
Term
How are vCJD diagnosed
Definition
Postmortem -- immunostaining and protein identification of tonsil biopsy
Term
Risk Factors of vCJD
Definition
Young age
Methionine homozygosity at codon 129 of the PRNP gene
Residence in the UK
Term
How are vCJD transmitted
Definition
BSE in sheep can be transmitted by blood transfusion
Term
How are iatrogenic CJD caused
Definition
neurosurgery, corneal grafts, dura mater grafts, and treatment with human cadaveric pituitary growth hormone and gonadotrophins
Term
What is the TSE guideline for ineffective sterilization and decontam.
Definition
mild detergents, chlorine dioxide, alcohols, hydrogen peroxide, aldehydes, ultraviolet irradiation
Term
What is the TSE guideline for effective sterilization and decontam.
Definition
Autoclaving for one hour
Soaking instruments in sodium hydroxide or sodium hypochlorite for one hour
Term
Where do CJD affect mostly
Definition
Cerebral hemis, Thalamus
Term
Where do vCJD affect mostly
Definition
Thalamus and Cerebellum
Term
Where do Kuru affect mostly
Definition
Cerebellum
Term
Where do Gerstmann-Sträussler-Scheinker syndrome mostly affect
Definition
Cerebellum and Spinal Cord
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