Rash Flashcards
Kawasaki syndrome- Eti
Pathogenesis unknown. Most common in kids <5yrs, asians. Mucocutaneous lymph node syndrome
Kawasaki syndrome- Sx
Acute, febrile illness. Cutaneous & mucosal erythema & edema with desquamation & cervical lymphadenitis, polymorphous rash
Kawasaki syndrome- complications
arteritis and coronary aneurysms- MI
Kawasaki syndrome- Dx
Meet 2-3 criteria: illness & fever plus:
- bilateral nonexudative, conjunctival changes,
- peripheral extremity changes
- polymorphus rash
- cervical lymphadenopahty
Kawasaki syndrome- Tx
IV immunoglobulin & aspirin
Rubella- Eti
Rubella virus- inhalation of infective droplets- 14-21 day incubation. Transmissible for 15 days
Rubella- Sx
Fine, pink maculopapular rash on face, trunk & extremities in rapid progression. Prodromal viral syndrome, may lead to arthritis
Rubella- Dx
Viral serology. Leukopenia
Rubella- Tx
Prevent with immie. mostly self limiting
Rubeola- Eti
Measles- inhalation of droplets- highly contagious.
Rubeola- Sx
High fever, conjunctivitis- redness, swelling & photophobia 2-4 days before rash. Koplick spots (mucosal lesions behind molars) erythematous macules and papules beginning at hairline, behind ears- spread centrifugally and inferiority- involve feet & soles
Rubeola- Dx
Clinical dx, confirmed by serology
Rubeola- Tx
Self limiting- supportive therapy
Erythema infectosium- Eti
Inhalation of virus- Human parvovirus. More common in children
Erythema infectosium- Sx
fiery red “slapped cheek”facies circumoral pallor -> lacy, maculopapular evanescent rash of trunk & limbs
Erythema infectosium- Dx
Clinical, confirmed by IgM titer or PCR.
Erythema infectosium- Tx
Symptomatic therapy
Lyme disease- Eti
Borrelia burgdorferi- tick bite
Lyme disease- Sx
3 stages:
1: localized infection- erythema migrans- flat red lesion at bite site- commonly groin thigh or axilla. Arthalgia & myalgia
2: Dissemination- secondary skin lesion- malaise, fatigue, fever & HA
3: Persistant- musculoskeletal complaits- arthritis, acrodermatitis chronicum atrophicans- bluish red discoloration on distal extremity
Lyme disease- Dx
Mostly clinical 1) erythema migraines, 2) sign of late manifestation 3) lab confirmation with serology
Lyme disease- Tx
Doxycycline or amoxicillin
Roseola infatum- Eti
<2 years, caused by herpes virus 6.
Roseola- Sx
Palpebral edema, rose red macule and papules on neck & trunk, erythemaptus papules on soft palate, Infantile febrile seizures, enchepalitis & acute liver failure
Roseola- Dx & Tx
Serology. Self limiting