Unconscious 44-year-old female is cyanotic and has agonal respirations. Her lips and tongue are swollen and protruding after an antibiotic injection; unable to ventilate. What should you do?

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When faced with an unconscious patient who is cyanotic, in agonal respirations, and shows rapid airway swelling after an antibiotic injection, the airway is compromised due to anaphylaxis. In this situation, face-mask ventilation and endotracheal intubation are often impossible because the edema narrows or closes the passages. The quickest way to restore ventilation is to establish a airway access through the cricothyroid membrane with a needle cannula. This needle cricothyrotomy provides immediate, albeit temporary, ventilation by delivering oxygen directly into the trachea, buying time until a more secure airway can be placed. Other options aren’t suitable here: a tracheostomy is more complex and slow in an emergency, an awake Heimlich maneuver isn’t applicable for an unconscious patient with swelling, and attempting endotracheal intubation is likely to fail due to swollen tissues. In this cant-ventilate, cant-intubate scenario caused by severe anaphylactic airway edema, a needle cricothyrotomy is the appropriate first step to secure the airway.