rashes Flashcards
what is the presentation of atopic dermatitis in infants ?
a red itchy rash that appears on the face
has exacerbations then gets better
what does atopic dermatitis look like in ann older child ?
a red itchy rash that appear at the flexor areas of elbows and knees
which type of rash takes a dermatomal configuration ?
herpes zoster
generally what are the viral causes of rashes in children ?
chicken pox
measles
roseola infantum
herpes zoster
what are the features of the rash found in chickenpox ?
vesicles and pustules
pleomorphic rash
what does the spread of the rash in chickenpox look like ?
central to peripheral
what is the general condition of a child with chicken pox like ?
starts with prodrome
fever headache and malaise
has a fever but not high grade
what time period is the rash in chickenpox infectious ?
1-2 days before the appearance of a rash up until the last lesion that stays crusty
what does the prodrome of measles look like ?
3 Cs
cough
conjunctivitis
coryza
what are the features of the rash associated with measles ?
rash begins after the fever
descending rash
koplik spots on the inner side of the cheek
what is the configuration of the rash found in measles ?
starts behind the ears
then to the face
then to the rest of the body
( descending rash )
what is the general condition of the child suffering from measles ?
very poor general condition, highly infectious
what is the general condition of a child with roseola infantum ?
good general condition ( opposite to a child with measles)
when does the rash associated with roseloa infantum appear ?
fever lasts for about 4-5 days thena non itchy rash begins to appear
what is the prognosis of a child suffering from roseloa infantum ?
a self limiting condition and only symptomatic treatment is required
what is the clinical picture of herpes zoster rash ?
dermatological distribution
half of the body only affected
shooting pain
given that a child present with a macular rash with history of previous chicken pox infection what is the most likely diagnosis ?
herpes zoster
what is the virus responsible for roseola infantum ?
herpes virus 6 and 7
mother complains that child has had : tonsillitis perioral pallor high fever bright pin sized rash what is the most likely diagnosis ?
scarlet fever
what is the clinical presentation of henoch-schonnlein purpra ?
triad of : arthritis abdominal pain purpra This presentation is most likely present after the onset of an upper respiratory infection
what are the bacterial causes of rashes in children ?
streptococcal infection ( scarlet fever )
meningococcemia
impetigo
staphylococcal scalded skin syndrome ( 4 S)
what is the clinical picture of meningococcemia ?
signs of meningitis
causes DIC
what is the test used to confirm meningococcemia ?
glass test
what is the clinical picture of impetigo ?
golden yellow crust around the mouth or nose
very infectious
