Elizabeth Burgamy, MD

A 4-week-old boy with tactile fever for the past 24 hours and fussiness of 2 weeks' duration is referred to the emergency department (ED).

A 9-year-old previously healthy boy presents to his pediatrician with acute onset of a nonproductive cough, left eye swelling without loss of visual acuity, persistent fever of 3 days’ duration, chills, headache, chest pain, vomiting, and left knee pain with inability to bear weight.

A 2-month-old boy is brought to the emergency department (ED) because of “noisy breathing” that has been present since birth. The parents report that they occasionally see the child’s ribs during inspiration when he is lying down.