A nurse is caring for a 3-year-old child. Exhibits For each of the following findings, click to specify if the finding is consistent with acute laryngotracheobronchitis or pneumonia. Each finding may support more than one disease process.

Temperature: Fever is a common symptom of both acute laryngotracheobronchitis (croup) and pneumonia. Stridor: Stridor, a high-pitched, wheezing sound, is a classic sign of croup and upper airway obstruction. It is less common in pneumonia. Irritability: Both croup and pneumonia can cause discomfort and distress in children, leading to irritability. Cough: A cough, especially a barking cough, is characteristic of croup.