A 4-year-old boy presents to the emergency department with a 6-hour history of sudden onset high fever (103°F/39.4°C), difficulty swallowing, drooling, and muffled voice. He is sitting in a tripod position. His immunizations are up-to-date. What is the most appropriate initial management step?

The correct answer to the question "A 4-year-old boy presents to the emergency department with a 6-hour history of sudden onset high fever (103°F/39.4°C), difficulty swallowing, drooling, and muffled voice. He is sitting in a tripod position. His immunizations are up-to-date. What is the most appropriate initial management step?" is Option D: Secure the airway, preferably in the operating room.

The other options — A) Obtain a lateral neck X-ray to confirm diagnosis, B) Administer intramuscular dexamethasone, C) Perform direct laryngoscopy to visualize the airway — are incorrect for this USMLE Exam Prep question. As explained above: This presentation is classic for epiglottitis, a life-threatening airway emergency. Despite vaccination, it can occur. The priority is to secure the airway, ideally in a controlled environment like t…