system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
A 10-year-old boy is brought to the emergency room after a fall from a horse. He has severe pain in his right forearm. He has a history of asthma and atopic dermatitis. His current medications include an albuterol inhaler and hydrocortisone cream. Examination shows an open fracture of the right forearm and no other injuries. The patient is given a parenteral infusion of 1 L normal saline, cefazolin, morphine, and ondansetron. The right forearm is covered with a splint. Informed consent for surgery is obtained. Fifteen minutes later, the patient complains of shortness of breath. He has audible wheezing. His temperature is 37.0°C (98.6°F), heart rate is 130/min, respiratory rate is 33/min, and blood pressure is 80/54 mm Hg. Examination shows generalized urticaria and lip swelling. There is no conjunctival edema. Scattered wheezing is heard throughout both lung fields. Which of the following is the most appropriate next step in management?
assistant
Administer intramuscular epinephrine