A client is in the emergency department after being rescued from a house fire. After the initial assessments, the client develops a loud, brassy cough. What intervention by the nurse takes priority?

A. Have the respiratory therapist provide humidified room air: Humidified air can soothe airway irritation and loosen secretions, but in a client with a brassy cough after smoke inhalation, airway obstruction may be imminent. Humidification alone does not address the immediate risk of respiratory compromise. B. Allow the client to suck on small quantities of ice chips: Oral fluids or ice chips may relieve throat dryness, but they do not prevent or treat airway obstruction. Inhalation injury can cause rapid swelling of the upper airway, and oral measures do not mitigate this risk. C. Request an antitussive medication from the physician: Suppressing the cough with medication is contraindicated in acute airway compromise because coughing helps maintain airway patency. Administering an antitussive could worsen airway obstruction and delay recognition of respiratory distress. D. Apply oxygen and continuous pulse oximetry: A brassy cough is a sign of upper airway edema, which can progress quickly to respiratory obstruction. Immediate supplemental oxygen and continuous monitoring of oxygen saturation allows early detection of hypoxia and provides respiratory support while preparing for potential advanced airway interventions.