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69 Cards in this Set

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measles - incubation period
8-12 days
measles - prodrome
-high fever
-malaise
-cough, coryza, conjunctivitis
small irregular red spots w/central gray/bluish white specks on buccal mucosa
Koplik spots = measles
measles - rash
-begins 5 days after Sx onset
-starts on head, moves caudally -lasts 4-5 days
-erythematous maculopapular rash
measles - complications (2)
1.acute encephalitis
2.subacute sclerosing panencephalitis (SSPE)
rubella - incubation period
14-21 days
rubella - Sx
-slight fever
-generalized lymphadenopathy
-erythematous maculopapular rash (<5 days)
measles - confirmation
serologic testing
rubella - confirmation
serologic testing
roseola infantum - bug
HHV-6
roseola infantum - progression
-abrupt fever (103-105) for 1-5 days
-maculopapular rash follows (trunk -> peripheral)
-leukocytosis -> leukopenia
erythema infectiosum - bug
parvovirus B19
Fifth disease
erythema infectiosum (parvovirus B19)
erythema infectiosum - progression
1.slapped cheeks
2.rash starts on arms -> trunk, legs
lacy rash
erythema infectiosum
pregnant + parvovirus B19 = ?
hydrops fetalis
erythema infectiosum - complications (3)
1.arthritis
2.hemolytic anemia
3.encephalopathy
hand-foot-mouth dz - bug
coxsackie A virus
hand-foot-mouth dz - prodrome
-fever, anorexia, oral pain
-fever, anorexia, oral pain
-ulcer crop (tongue, oral mucosa)
-vesicular rash (hands, feet)
hand-foot-mouth dz
"football" shape vesicles w/surrounding erythema
hand-foot-mouth dz
chickenpox - incubation period
10-21 days
chickenpox - prodrome
-mild fever
-malaise
-anorexia
-rash
chickenpox - rash progression
trunk -> peripheral
chickenpox - infectious length
start: 24 hrs before rash
end: lesions crustify
chickenpox - confirmation
DFA
chickenpox - complications
1.meningoencephalitis
2.hepatitis
3.pneumonitis
herpes zoster - dormant site
DRG
-pain along dermatome
-fever + malaise
-vesicular eruption
-resolves in 1-2 wks
herpes zoster (shingles)
measles, rubella, roseola infantum, erythem infectiosum, hand-foot-mouth, varicella, shingles - Tx
supportive
chickenpox - contraindicated med
ibuprofen (increased risk of streptococcal cellulitis)
fever in children - contraindicated med
aspirin (Reye's syndrome)
IC children + chickenpox exposure - give what med?
VZ Ig (w/in 96 hrs)
varicella/shingles - Tx med
acyclovir
red macules -> bullous eruptions on erythematous base -> varnish coating

look like cigarette burns
bullous impetigo (s.aureus)
papules -> vesicles -> painless pustules -> honey-colored exudate/crust
nonbullous impetigo (s.aureus or beta-hemolytic strep)
-marked diffuse erythema
-skin tenderness
-abrupt onset
-superficial flaccid bullae -> rupture
-beefy red weepy surface
-(+) Nikolsky sign
staph scalded skin syndrome
separation of epidermis on light rubbing
(+) Nikolsky sign
infxn of shaft of hair follicle
folliculitis
carbuncles
accumulation of furuncles
most common bug in hematogenously spread cellulitis
strep pneumoniae
superficial tinea infxn - 3 bugs
1.trichophyton
2.microsporum
3.epidermophyton
annular lesion w/peripheral scaling (looks like a ring)
tinea corporis
patches of scaling & hair loss, itching, lymphadenopathy
tinea capitis
scaling in "moccasin" distribution
tinea pedis
erythema, scaling, maceration in inguinal creases
tinea cruris
tinea versicolor - bug
Malassezia furfur
superficial tan/hypopigmented oval scaly lesions in X-mas tree distribution
tinea versicolor
if diaper rash > 4 days, then suspect...(bug)?
candida
candida diaper rash - Tx
-nystatin
-barrier creams
stimulus for sebaceous gland development
androgens
drugs exacerbating acne
1.corticosteroids
2.androgens
3.danazol
4.iodides
5.bromides
T/F: nodulocystic acne associated w/scarring?
true
T/F: acne - best Tx is combo?
true
acne - topical & oral meds?
benzoyl peroxide
retinoids
abx
OCT
retinoic acid
rash appearing @ sites of mechanical/physical/thermal trauma
psoriasis (Kobner phenomenon)
Kobner phenomenon
rash appearing @ sites of mechanical/physical/thermal trauma
pinpoint bleeding
Auspitz sign (psoriasis)
psoriasis Tx - main goal?
keep skin hydrated!
most severe form of erythema multiforme
Stevens-Johnson's syndrome
Stevens-Johnson syndrome - most common causes (2)
1.drugs
2.Mycoplasma infxns
most severe form of cutaneous hypersensitivity
toxic epidermal mecrolysis
epidermal layer sloughing (2)
1.staph scaled skin syndrome
2.toxic epidermal necrolysis
smooth pink/brown dome-shaped papule (benign)
Spitz nevus
mole w/depigmented ring
halo nevus
mole assessment
Asymmetry
Border
Color
Diameter
halo nevus associated w/...
1.vitiligo
2.melanoma
most common cause of recurrent erythema multiforme
herpes simplex virus HSV
tinea versicolor - Tx
selenium sulfide shampoo