Acute Noisy Breathing in Pediatrics — 3yo Child | Pediatric Respiratory | SMLE Q#16526
SMLE Question #16526
Pediatrics
Pediatric Respiratory
Objective: OBJ-273
Last updated: February 2026
A 3-year-old boy is brought to the ED with acute noisy breathing and a barking cough that began overnight. He has had rhinorrhea and low-grade fever for 2 days. He is mildly distressed but sitting comfortably and drinking fluids. Examination shows inspiratory stridor at rest without drooling, muffled voice, or tripod positioning. What is the most likely diagnosis?
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