A 23-year-old man presents to the emergency department with shortness of breath. The patient was at a lunch hosted by his employer. He started to feel his symptoms begin when he started playing football outside with a few of the other employees. The patient has a past medical history of atopic dermatitis and asthma. His temperature is 98.3°F (36.8°C), blood pressure is 87/58 mmHg, pulse is 150/min, respirations are 22/min, and oxygen saturation is 85% on room air. Which of the following is the best next step in management?
AAlbuterol and prednisone
BIV epinephrine
CIV fluids and 100% oxygen
DAlbuterol and norepinephrine
EIM epinephrine
A 45-year-old woman, suspected of having colon cancer, is advised to undergo a contrast-CT scan of the abdomen. She has no comorbidities and no significant past medical history. There is also no history of drug allergy. However, she reports that she is allergic to certain kinds of seafood. After tests confirm normal renal function, she is taken to the CT scan room where radiocontrast dye is injected intravenously and a CT scan of her abdomen is conducted. While being transferred to her ward, she develops generalized itching and urticarial rashes, with facial angioedema. She becomes dyspneic. Her pulse is 110/min, the blood pressure is 80/50 mm Hg, and the respirations are 30/min. Her upper and lower extremities are pink and warm. What is the most appropriate management of this patient?
AAdminister broad-spectrum IV antibiotics
BAdminister vasopressors (norepinephrine and dopamine)
CAdminister IM epinephrine 1:1,000, followed by steroids and antihistamines
DPerform IV resuscitation with colloids
EObtain an arterial blood gas analysis
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?
AEndotracheal intubation
BAdminister intravenous diphenhydramine
CAdminister intravenous methylprednisolone
DAdminister vancomycin and piperacillin-tazobactam
EAdminister intramuscular epinephrine
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