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20 Cards in this Set
- Front
- Back
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What are the clinical signs of VZV (chickenpox)
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asymmetrical vesicular rash
puritis fever, malaise, headache, neuralgia |
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What drug do you NOT give during chicken pox outbreaks?
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aspirin (reyes syndrome risk)
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What drug can be given to treat chicken pox?
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acyclovir
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what causes shingles?
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this is a reactivation of VZV (chickenpox) later in life
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how is chicken pox spread?
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via respiratory secretion
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when is chicken pox most contagious?
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1-2 days before the appearance of lesions, and 4-5 days after lesions appearance
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What is the prodromal stage of chicken pox?
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only in older kids/adults-
fever, headache, myalgia, anorexia |
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Who is most prone to shingle?
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people who are immunosuppressed, and the elderly
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What is the most common sequela of shingles?
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post herpetic neuralgia in older people
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What is Zostavax used for?
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this is a zoster booster for VZV immunity for older pts- in order to prevent shingles
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what type of virus is zostavax?
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this is a live attenuated virus
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can you give zostavax to someone who has NOT had chicken pox?
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NO it is too strong
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What is the presentation of HHV-6?
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fever of 39-41C
followed by rapid rose colored rash involving the truck and neck COMMON for ER visits without a known source |
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What is the characteristic rash of parvovirus B19?
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slapped cheek appearance,
**Circumoral pallor** (like scarlet fever) |
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How is parvovirus B19's rash different than scarlet fever?
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parvovrius's rash is smooth, unlike the sandpaper rash of scarlet ever
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What are the generalized symptoms of Parvovirus B19?
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arthalgia's
maculopapular rash of limbs and trunk PRODOME** |
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What are the two major complications of Parovirus B19?
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anemia (attacking erythroid progenitor cells)
hydrops fetalis |
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What are the diagnositic features of B19?
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facial rash
lacey body rash detection of B19 IgM antibody |
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What do the virions of POX viruses look like?
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these are large brick shaped virions
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What was originally used for small pox vaccinations?
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cow pox, used by Jenner
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