A 18-month-old girl is admitted to the hospital with acute laryngotracheobronchitis. She is placed in a mist tent with compressed air. Which of these symptoms would be an early sign of hypoxia?


•A child with laryngotracheobronchitis is placed in a mist tent primarily to increase oxygen and carbon dioxide exchange.

•Early signs of hypoxia include restlessness, headache, fatigue, shortness of breath, and cyanosis.

•Laryngotracheobronchitis or croup is the inflammation of the larynx, trachea, and major bronchi.

•Barking cough is a sign of croup.

•Flushing of the face and mouth breathing are not signs of hypoxia.

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