title: A 4-year-old with petechial rash.
authors: C
authors: C
authors: Oliver
mesh_terms: D002675:Child, Preschool; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D011695:IgA Vasculitis / Q000175:diagnosis* / Q000209:etiology / Q000628:therapy; D009730:Nursing Assessment; D014218:Triage