An 18-month-old baby girl was presented to the emergency department by her parents who were concerned about her noisy breathing. She has had a mild cough for the past 24 h and her temperature is elevated. She is up to date with her vaccinations and has had no developmental problems. There is no other relevant history. Examination Her oxygen saturation is 94 % on air. The baby is restless and has a hoarse cry. There is an audible stridor at rest.
The baby has a low-grade fever with a mildly increased respiratory rate. There is no evidence of cyanosis. Auscultation of the chest is difficult but there is an audible inspiratory noise. What is the most likely diagnosis? *This case is from Docplexus Editorial Team for educative purpose only Source: 100 Cases In Surgery The answer is posted in the comment section. click here .
