dermatology Flashcards
atopic dermatitis presentation
- rash: itchy, ill-defined erythematous rash (with possible scale, crust, papules, ooze or crust)
- site in infants: face, extensor surfaces (flexural surfaces spared)
- site in older children: classic flexural distribution
atopic dermatitis management
- emollients
- possible topical steroids
contact irritant dermatitis is also known as
nappy rash
contact irritant dermatitis presentation
confluent erythema with sparing of skin folds around where nappy is
contact irritant dermatitis management
- keep skin clean and dry (regularly change nappies)
- try to leave undressed if possible
- possible topical steroids
- prevention once healed (barrier creams with every nappy change)
seborrhoeic dermatitis presentation
- new-borns: cradle cap (non-itchy, yellow scale on scalp)
- infants: flexural surfaces (axillae, neck creases, groin with no sparing of skin folds)
seborrhoeic dermatitis management
- emollients
- possible topical steroids
roseola infantum microbiology
- 6 months - 2 years
- roseola virus (type of herpes virus: HHV6)
roseola infantum presentation
- high fever (possible febrile convulsions)
- discrete pink macular rash on trunk
- similar to rubella (differentiated based on higher fever and lack of sub occipital lymphadenopathy)
roseoa infantum management
- anti-pyretics
- hydration
roseola infantum complication
febrile convulsions
erythema infectiosum is also known as
- fifth’s disease
- slapped cheek syndrome
erythema infectiosum microbiology
parovirus B19
erythema infectiosum presentation
- lethargy, fever, headache
- slapped cheek rash (bilateral macular erythema on face) spreading to proximal arms and extensor surfaces
- maculopapular rash with lacy erythema on trunk
- fever and polyarthritis
erythema infectiosum management
rest and fluids
erythema infectiosum complication
neonatal death if caught be pregnany mother
chicken pox cause
varicella zoster
chicken pox presentation
- intensely itchy rash that starts with macules and progresses into papules and vesicles that burst and crust over
- usually starts on face and then spreads over whole body
- fever initially
- mild systemic upset
chicken pox management
- keep cool, trim nails, calamine lotion
- school exclusion until 5 days onset of rash
chicken pox complications
- pneumonia
- encephalitis
- disseminated haemorrhagic chickenpox
- arthritis, nephritis, pancreatitis
hand, foot and mouth cause
coxsackie virus
hand, foot and mouth presentation
- viral prodrome (sore throat with grey vesicles surrounded by erythema with mouth ulcers)
- rash and/or vesicles on palms and soles of feet
hand, foot and mouth management
do nothing (self limiting)
what is Henoch Schonlein purpura
- IgA mediated small vessel vasculitis
- kids post-infection
