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encephalitis Flashcards

Diagnose viral encephalitis based on history, clinical presentation, and lab findings. Differentiate Eastern equine, Western equine, West Nile, St. Louis, California, and Japan encephalitis viruses. Diagnose hanta virus infection based on history, clinical presentation, and lab findings. Identify three viruses that cause hemorrhagic disease. Diagnose lymphocytic choriomeningitis based on history, clinical presentation, and lab findings

1
Q

virus causing eastern equine E

A

togavirus

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2
Q

virus causing venezualan equine E

A

togavirus

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3
Q

virus causing westen equine E

A

togavirus

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4
Q

virus causing rubella virus

A

rubivorus

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5
Q

morphology of togavirus

A

enveloped, RNA,

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6
Q

virus causing yellow fever

A

flaviviridae

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7
Q

virus casuing dengue

A

flaviviridae

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8
Q

virus causing st louis/japanese/west nile E

A

flaviviridae

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9
Q

virus causing california/La crosse E

A

bunyaviridae

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10
Q

main difference in tranmission between buyaviridae and other arboviruses

A

can be transmitted from adults to eggs (transovarially)

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11
Q

type of virus causing colorado tick fever

A

orbivirus

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12
Q

sx of colorado tick fever

A

acute onset of fever, chills, headache, severe back and leg pain

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13
Q

main resivoir of colorado tick fever

A

ground squirrel

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14
Q

early onsex sx of arbovirus infection

A

nausea, headache, fever, muscle ache, malaise and leukopenia

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15
Q

encephalitis sx

A

headache, insomnia, letharg, ataxia, tremors, convulsions and coma

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16
Q

resiviors for arbovirus encephalitis viruses

A

birds and wild rodents

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17
Q

highest fatality encephalitis

A

eastern equine

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18
Q

high fatality flaviridae encephalitis

A

St Louis

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19
Q

Encephalitis with a horse resivior

A

VEE

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20
Q

family of Encephalitis infecting kids

A

toga/bunyaviridae

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21
Q

causes severe necrosis of CNS and viscera

A

EEE

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22
Q

encchepalitis confined to eastern US

A

EEE

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23
Q

leading cause of epidemic encephalitis

A

St Louis

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24
Q

type of virus causing STL E

A

flavivirus

25
Encephalitis endemic to upper midwest
california/LaCrosse
26
Enchephalitis causing fever, convulsions, drowsiness, and neurologic signs
CEV/LEV
27
cause of CEV/LEV
bunyavirus
28
cause of VEE
togavirus
29
cause of west nile
flavivirus
30
clincial signs of west nile
fever, rash, and headache
31
epidemic enphepalitis found in every state
WNE
32
99% of ____ infections are asymtomatic
WNE
33
early way to differentiate arbovirus from herpes encephalitis
Hx of outdoor travel and travel to endemic areas. Lab - IgM in CSF/RT-PCR in blood
34
______ production can triggger adaptive immune response to endemic encephalitis
interferon
35
antivirus in all suspected encephalitis
acyclovir
36
sx of dengue
fever, myalgia, anorexia, asthenia, maculopapular or petechial rash
37
severe form of dengue
dengue hemorrhagic fever
38
dengue hemorrhagic fever found more often in what population
otherwise healthy kids
39
possible mechanism for dengue hemorrhagic fever
pre-existing antibody to virus enhances binding and uptake of flaviiviruses to macrophages
40
virus causing dengue
flaviviridae
41
are dengue mosquitos that vector dengue present in US
yes
42
areas reporting sporadic dengue cases
texas and florida
43
major endemic areas of yellow fever
S America and Africa
44
systemic disease resulting in jaudince from liver involvment
yellow fever
45
two phase mosquito bourne virus
yellow fever
46
sx of phase I yellow fever
flu like sx, n/v
47
sx of phase ii yellow fever
jaundice, GI involvement, DIC and shock
48
urban yellow fever spread my man-mosquito-man
urban
49
jungle yellow fever spread by
mosquito-monkey-mosquito-man
50
type if mosquito carrying yellow fever
aedes aegypti
51
granular/sandy looking viruses
arenaviruses
52
type of virus passed from rodents to humans
arenaviruses
53
major arenavirus in the US
lymphatic choriomeningitis
54
clinical manifestation of lypmoocytic choriomenigitis
viral pneumibitis or meningitis
55
virus that causes hemorrhagic fevers 92)
arenavirus and hantavirus
56
3 arenavirus hemorrhagic fevers
lassa, Junin and machupo
57
junin and machupo endemic to
South America
58
sx of hantavirus
flu like sx, pulmonary edema leading to respiratory failure

CNS I (36 decks)

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