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Sydney Child Health Program > 2.3 Viral Exanthems > Flashcards

2.3 Viral Exanthems Flashcards

1
Q

What are Macules?

A

Flat and round

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2
Q

What are Papuans?

A

Raised

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3
Q

What are vesicles?

A

Fluid-filled

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4
Q

What are pustules?

A

Pus-filled

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5
Q

What does urticaria present?

A

Moves around

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6
Q

What condition has true maculopapular characteristics?

A

Measles

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7
Q

How long is the measles prodrome?

A

3-5days

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8
Q

Why do you get a rash in the first place with viruses?

A

T-cells response

Immunodeficiency doesn’t have rash

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9
Q

Describe the conjunctivitis in measles?

A

Weepy

No sparing like in Kawasaki’s

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10
Q

Measles complication:

A
  • Pneumonia
  • Encephalitis
  • Secondary immune deficiency
  • oral candidiasis
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11
Q

What is Latin term for measles?

A

Morbilli

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12
Q

What is a Morbilliform rash?

A

Measles like rash in appearance

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13
Q

What are Koplik spots?

A

Associated with measles, happens before the rash in the mouth

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14
Q

What is subacute sclerosing panencephalitis?

A

Measles: slow virus
2-6 years
Drop attacks
Death

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15
Q

Kawasaki’s disease eye sign?

A

Episcleritis
Peripheral conjunctivitis
‘Limbal sparing’

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16
Q

What is the ‘third’ disease’?

A

Rubella

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17
Q

Rubella signs?

A

Post-auricular lymph node

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18
Q

Rubella symptoms?

A

Rash
Neck lymphadenopathy
Arthritis
Mild fever

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19
Q

What does the word Rubella mean?

A

Little red

20
Q

What does rubelliform rash mean?

A

Rubella-like - little red

21
Q

Why is rubella so scary?

A

Congenital rubella
Cataracts
Sensorineural deafness
Microcephaly

22
Q

What is the rash where there is circumoral pallor?

A

Scarlet fever, Group A strep

23
Q

Signs in Scarlett fever?

A

Strawberry tongue
Tonsilar exudates
Peeling of fingertips

24
Q

Amoxicillin can give you a rash with?

A

EBV
CMV
VZV

25
Q

What virus is erythema infectiosum?

A

Parvo Virus B19

26
Q

Which disease do you get the lace like rash?

A

Parvo B19
‘Fifth disease’
Rubella too

27
Q

Incubation for measles?

A

10-14 days

28
Q

Incubation for parvo B19?

A

One week

29
Q

How long does ‘fifth disease’ last for?

A

One week incubationone week fever
Then rash
Then lacy rash
Then maybe arthritis

30
Q

Parvo B19, how does it cause the aplastic anaemia?

A
  • Turns off reticulocytes for a week or so,

- affects the foetus and ppl with sickle cell more

31
Q

What is the 6th disease?

A

Rosella infantum
HHV-6 or 7

High fever

32
Q

How to tell if chicken pox vs. mosquito bits?

A

Check the scalp

33
Q

Can varicella go haemorrhaging?

A

If immunocompromised

34
Q

If mother has varicella more than a week before child is born how is the baby?

A

Born with varicella Not as bad, has some antibodies

35
Q

If mother has varicella less than a week before child is born how is the baby?

A
  • Developers varicella within the week, very sick may die.

- give immunoglobulin

36
Q

When do you have to worry about zoster in kids?

A
  • If ophthalmic distribution

- needs I acyclovir to protect the eye

37
Q

HSV-1 is the which virus?

A

Oral

38
Q

HSV-2 is the which virus?

A

Genital virus

39
Q

Describe herpes simplex virus lesions

A

Individual punched out lesions
0.5cm
May rupture
Coalesce

40
Q

Herpes simplex in neonate?

A

Emergency, needs IV acyclovir

41
Q

Viral Urticarial rashes describe

A

Rash moves around
Children may be purple
Often not itchy

42
Q

Hand foot and mouth disease which virus?

A

Coxsackie A16

43
Q

Viral infection rashes tend to do what?

A

Form lines

44
Q

Viral exanthems, what exacerbates?

A

Sunlight
Pressure -
Rubbing - Koebner’s phenomenon

45
Q

What is Koebner’s phenomenon?

A

When rubbing exacerbates a viral exanthem

Sydney Child Health Program (113 decks)

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