Emergency Medicine

Answer 4 Roseola. Roseola is a febrile illness primarily affecting children between age 6 and 36 months. Typically, the course begins with an abrupt febrile illness, with the fever typically lasting approximately 3 days. In most cases, a morbilliform rash appears as the fever defervesces. Erythema infectiosum (fifth disease) is a viral exanthem caused by parvovirus B19. Rubella (German measles) is a viral exanthem, with which children often have little or no prodromal illness. Rubeola (measles) is a highly contagious acute illness that is often associated with a viral prodrome. The rash is often seen on day 3 or 4 of the illness as the prodromal symptoms, including fever, peak. Varicella (chicken pox) commonly presents as erythematous papules that enlarge to form thin-walled vesicles. Classically, the patient with varicella has lesions in various stages of eruption. SUGGESTED READING 1. Zitelli BJ, Davis HW, editors. Atlas of pediatric physical diagnosis. 3rd ed. St. Louis: Mosby-Wolfe; 1997. Click here to return to the questions

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