• Rachel A Taylor, Ronald Thomas, and David Lawrence.
• From the Children's Hospital of Michigan.
• Pediatr Emerg Care. 2022 Mar 1; 38 (3): e1036e1040e1036-e1040.

BackgroundSupraventricular tachycardia (SVT) is the most common arrhythmia in the pediatric population. Patients often present to the emergency department and undergo extensive diagnostic assessment. The objective of this study is to determine the frequency of diagnostic studies obtained in such patients and to assess clinical significance of these results.MethodsA retrospective study was performed from 2011 to 2018 in a single-center ED, including patients 21 years of age or younger presenting with SVT without shock.ResultsA total of 40 patients with 92 encounters were included for analysis. The mean age was 8.58 (±5.51) years; 55% female. A total of 67.4% underwent serologic laboratory evaluation, of which 8 (12.9%) had any abnormality. Only one was deemed clinically significant to warrant intervention. Nearly 30% of patients underwent chest radiography, with no clinically significant findings.ConclusionsPatients undergoing ED management of uncomplicated SVT are likely to undergo laboratory investigation and unlikely to have abnormal studies impacting their care. Given the associated risk of false-positive studies, the discomfort to the patient and parent, and cost of these studies, routine laboratory or radiographic investigation in this population may be unwarranted.Copyright © 2022 Wolters Kluwer Health, Inc. All rights reserved.

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