POPs Case Report: A 2-year-old girl with periprocedural anaphylaxis.

Periprocedural or perioperative anaphylaxis is rare, with an estimated incidence of 1 in 10,000 to 40,000 sedation cases.During such procedures, patients are often exposed to numerous medications, such as antimicrobials, neuromuscular blockingagents, sedative and/or hypnotics, and opioids. The most commonly implicated agents include antibiotics (in the UnitedStates) and neuromuscular blocking agents (in Europe). In this article, we explore the differential diagnosis and laboratoryinvestigation of a case of periprocedural anaphylaxis.