Key history & PE components for diagnosing viral exanthems:
- Hx: Where did it start, & where has it spread? Pruritic? Associated symptoms?
- PE: Appearance? Confluence? Palms & soles? Oral lesions? Lymphadenopathy?
Key clinical features:
- Measles - 3C's, cephalocaudal spread, confluencing rash, koplik spots
- Rubella - Cephalocaudal spread, lymphadenopathy, forscheimer spots
- Erythema infectiosum - parvo B19, slapped cheek rash, lacy rash, aplastic anemia
- Roseola - Centripetal spread, fever defervesces before rash
- Chickenpox - Lesions of different stages, dewdrops on a rose petal, pruritic
- Mumps - Parotitis, orchitis
- Coxsackie - Rash not just on hands, feet, & mouth
- Mono - Rash not just after ampicillin
- Nonspecific - MC viral exanthem
- Hx: Where did it start, & where has it spread? Pruritic? Associated symptoms?
- PE: Appearance? Confluence? Palms & soles? Oral lesions? Lymphadenopathy?
Key clinical features:
- Measles - 3C's, cephalocaudal spread, confluencing rash, koplik spots
- Rubella - Cephalocaudal spread, lymphadenopathy, forscheimer spots
- Erythema infectiosum - parvo B19, slapped cheek rash, lacy rash, aplastic anemia
- Roseola - Centripetal spread, fever defervesces before rash
- Chickenpox - Lesions of different stages, dewdrops on a rose petal, pruritic
- Mumps - Parotitis, orchitis
- Coxsackie - Rash not just on hands, feet, & mouth
- Mono - Rash not just after ampicillin
- Nonspecific - MC viral exanthem