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Pathology - for VIVAs > Varicella Zoster > Flashcards

Varicella Zoster Flashcards

1
Q

What are the two clinical conditions caused by this virus?

A

Chicken pox and Shingles.

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2
Q

Describe the pathogenesis and the clinical course of infection by this virus.

A 
Aerosol or direct contact spread.  
Haematogenous dissemination.
Vesicular skin lesions.
Vesicles rupture, crust over, then heal.
Some virus lies dormant in dorsal root ganglia and become reactivated later with immunosuppression.
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3
Q

What are the complications of chicken pox?

A 
Lung: interstitial pneumonia.
CNS: encephalitis
Skin: shingles, bacterial superinfection
Gut: necrotising visceral lesions
(3 to pass)
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Pathology - for VIVAs (25 decks)

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