[Answered]: Case scenario Mathew is 19 years old and is…

Case scenario Mathew is 19 years old and is allergic to the antibiotic, Penicillin. Mathew is currently in hospital after being involved in a motor vehicle accident. He sustained a fractured right femur requirin orthopaedic surgery. His medical notes document that he is allergic to Penicillin. On returning to the ward after surgery Mathew is prescribed Cefazolin intravenously, a cephalosporin antibiotic with some similarities to Penicillin. Shortly after administration of the first dose of Cefazolin Mathew rings his buzzer, and the nurse immediately notices that he has developed a whole-body rash and an audible wheeze. His blood pressure is 98/54 mmHg, and his heart rate is 126 beats/minute. An emergency is called, and Mathew is successfully resuscitated using Adrenaline. the pathophysiological process (mechanism) of the type of hypersensitivity reaction in Mathew, including the processes that lead to his clinical manifestations  the effect of Adrenaline on this pathophysiological process.