Retrospective Evaluation of Patients Presenting to the Pediatric Emergency Department with Syncope

Objective: To compare the demographic characteristics and laboratory parameters of children presenting with syncope to the emergency department of a tertiary pediatric hospital in Turkey with those of healthy children evaluated during routine visits, and to assess the diagnostic contribution of commonly ordered laboratory tests to help reduce unnecessary testing. Material and Methods: This retrospective study, conducted between November 2024 and February 2025 at a tertiary center, included 352 patients aged 2-17 years and 489 healthy controls. Exclusion criteria were acute infection, moderate-severe dehydration, use of antiarrhythmics, diuretics, or steroids, known heart disease, channelopathy, epilepsy, or chronic kidney or liver disease. Laboratory samples were obtained within the first 60 minutes. Statistical analyses were performed using appropriate methods, with significance set at p