PEDS: rashes and organisms

Question 1

bright maculopapular red rash on cheeks– spreads to trunk arms and legs

Answer 1

erythema infectiosum or fifths dz

*parovirus B19

Question 2

lacy reticular rash on extremities, sparing palms and soles

Answer 2

fifths dz

Question 3

HFM disease

Answer 3

coxsachkievirus type A

Question 4

Herpes Simplex and HHV

-list them all and what they cause

Answer 4

HSV 1— oral lesions
HSV 2–genital lesions

HHV 3— Varicella Zoster– aka chickenpox or shingles

HHV 4– EBV– infectious mononucleosis

HHV 5– CMV

HHV 6–Roseolovirus or roseola infantum

HHV 7– Roseola infantum—similar to HHV 6

Kaposi sarcoma assoc herpes virus– HHV 8—

Question 5

TX for
-HSV 1
HSV 2
Herpes zoster

HHV 5

Answer 5

HSV 1–> acyclovir, valacyclovir, famicilovir

Genitals
*acyclovir 5 days
valacylcovie 10 days
famicilvoir 7-10 days

HHV 5 or CMV–> galciclovir

Question 6

Vesicular lesions in different stages of development. Dewdrop on a rose petal

• dx
• tx

Answer 6

chickenpox or HHV 3

tx:
1. kids <12 YO do not get tx— self limting
2. >13 YO–> PO valacyclovir since it has less doses than aclyclovir

**DO NOT ADMINISTER IBUPROFIN—- can cause reye syndrome

Question 7

Pain precedes rash groups of vesicles in a unilateral dermatomal pattern - Tzanck prep is positive for multinucleated giant cells

• dx?
• tx?

Answer 7

shingles

tx= PO acyclovir (5x daily), valacylovir (3x daily), famicivlori (3x daily)

Question 8

morbilliform, brick red erythematous, maculopapular, blanching rash, which classically begins on the face and spreads cephalocaudally and centrifugally to involve the neck, upper trunk, lower trunk, and extremities + high fever

Answer 8

measles

Question 9

white macules noted on buccal mucosa

Answer 9

measles

*** Koplik spot

Question 10

when does rash appear for measles

-three phases?

Answer 10

2-4 days after onset of fever

1. enanthem
2. examthen

THREE PHASES

1. prodrome of cough, coryza and/or conjunctivitis + fever
2. enanthem
3. exanthem

Question 11

bug for measles

Answer 11

paramyxovirus

Question 12

blanching macular or maculopapular rash starting on the trunk—spread to neck face and extremities

• sometimes vescular
• nonpruritic
• persists one or two days
• comes AFTER a high fever

Answer 12

roseola

HHV 6

Question 13

what dz causes the ONLY rash to start on trunk and spread to the leg/neck

Answer 13

roseola

Question 14

rash begin on face—- spread to the rest of her body over 1 day + red eye/conjuncivitis–rash dissapears in 3 days

Answer 14

rubella

Question 15

diff b/w rash for rubella and rubeola

Answer 15

Although the distribution of the rubella rash is similar to that of rubeola, the spread is much more rapid, and the rash does not darken or coalesce

Question 16

rash along one dermatome

Answer 16

varicella zoster aka shingles