Encephalitis Flashcards

1
Q

Diffused infection of the brain parenchyma almosg invariably associated with meningeal inflammation

A

Encephalitis
Meningsal inflammation-Meningoencephalitis
With simultaneous involvement of the spinal cord (encephalomyelitis)

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2
Q

Endemic Encephalitis is caused by

A

West nile virus

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3
Q

Sporadic Encephalitis is caused by

A

Herpes Simplex Virus

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4
Q

Zoonotic encephalitis is caused by

A

Rabies

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5
Q

What are the symptoms of Encephalitis

A

Symptoms includes: Headache (mild), Fever (low grade) altered mentation , FOCAL NEUROLOGICAL DEFICIT, seisure, NO SEPSIS

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6
Q

What is focal neurological deficit?

A

Answer

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7
Q

Symptoms of encephalitis vary according to the area of the brain affected

A
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8
Q

Symptoms of encephalitis vary according to the area of the brain affected

A
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9
Q

Encephalitis sporadic causal viruses in the US

A

HSV-1
CMV
Rabies
JcV
HiV
Polio

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10
Q

Encephalitis epidemic causal viruses in the US

A
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11
Q

Morphology, Transmission vector, Epidemiology of West Nile virus

A
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12
Q

Infection cascaxde of West Nile disease

A
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13
Q

Pathogenesis of West Nile Dissease

A
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14
Q

Labs for West mile encephalitis

A
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15
Q
A
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16
Q
A
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17
Q

Sensation is alert throughout…He is alert but oriented only to self and year…

A

Warm climate- Florida and West Nile is endemic
Infection and focal deficit presenting as assymetric weakness, flaccid paralysis, brain and motor neuros. Intact sensation indicates that peripheral nerves are not affected.

Worked as a landscaper (gardener) more chances of getting bitten by insects/mosquitoes and ticks

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18
Q

Morphology of HSV encephalitis

A
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19
Q

Transmission of HSV encephalitis

A
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20
Q

HSV remains Latent in _________ ganglion?

A

Trigeminal Ganglion

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21
Q

MOA of Acyclovir - main treatment of HSV encephalitis

A

A nucleoside analog-
Targets DNA polymerase but requires activation with Viral Thymidine kinase .

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22
Q

What aids the virus move to the CNS from they PNS by retrograde?

A

Dyenin

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23
Q

Pathogenesis of HSV encephalitis is mainly on the temporal lobe

24
Q

Neuro imaging of HSV encephalitis involving the prominent temporal lobe

25
What is the Gold standard test for HSV encephalitis?
PCR
26
HSV encephalitis Lab
27
What additional lab value can be given to appropriately diagnose HSV encephalitis?
RBC seen
28
What is the most Common resistance to Acyclovir?
Do not produce the thymidine Kinase so acyclovir does not get activated.
29
Vector that causwles Rabies Encephalitis
Bats
30
If rabies infection reaches the brain, it is 100% fatal- True or false?
True
31
Morphology, transmission vector, epiddmiology of Rabies Encephalitis
32
Rabies can be transferred via?
33
Signs and symptoms of Rabies encephalitis infections
34
Confirm case of Rabies
35
Negri bodies (Eosinophilic cytoplasmic inclusion bodies) are seen in postmortem test of Rabies Encephalitis case. TRUE OR FALSE
True DNA- nucleus RNA- cytoplasm
36
Prevention of the Rabies Encephalitis
37
Flowchart for Encephalitis
38
Flowchart for Encephalitis
39
Other viruses that may also cause encephalitis
40
Inflammation of the meninges surrounding brainband parenchyma
Meningoencephalitis
41
Primary Meningoencephalitis is caused by
Parasitic Amoeba- Brain eating ameoba
42
Which amoeba is the brain eating amoeba? A. Naegleria Fowleri B. acanthamoeba C.Balamuthia
Naegleria Fowleri
43
What are the 3 forms that Free living amoeba can exist in?
Cyst Flagella Amoeba (in tissues)
44
What is the Epidemiology and Reservior
45
Transmissionn and Pathogenesis of Amoeba (fresh eating)
46
Symptoms of primary meningoencephalitis
47
Lab finds
48
Images of Naegleria Trophozoites, Infected Brain Tissue, neagleria trophozoite in CSF
49
Trigger clues, prevention and treatment of Primary meningoencephalitis
50
Granulomatous Amebic Encephalitis Acanthamoeba
51
What is the vector that transmits Lyme disease (Neuroborreliosis)
Ixodes tick
52
Etiology, vector, antibiotics of Neuroborreliosis- Lyme Disease
53
Pathogenesis of Lyme disease
54
Sign symptoms and Labs
55
Classical question for neuroborreliosos (lyme disease)