<< Allergy And Anaphylaxis: Principles Of Acute Emergency Management


Secure And Monitor The Airway

Definitive airway management takes precedence. Emergency clinicians should observe for edema, accessory muscle use, retractions, and signs of altered mental status, as these may suggest hypoxia. Furthermore, airway obstruction may cause hypercarbia, leading to stridor and dysphonia. Patients with anaphylaxis and severe dyspnea require immediate high-flow supplemental oxygen at the highest concentration, using a mask with an oxygen reservoir. Heliox may be added, as it improves ventilation by reducing airway turbulence, particularly in patients with severe airway compromise and a history of asthma.65

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