VIDEO: The non-pruritic rash began on his chest and spread rapidly over 3 days. Get a closer look; what's your diagnosis?
A 17-year-old boy presents with a head-to-toe non-blanching rash that began on his chest and spread rapidly over 3 days. Non-pruritic; mild discomfort. Low fever; recent URI. No allergies; other PMH, noncontributory. Vitals, WNL.