• Amar Singh, Rebecca L Starr-Seal, Kerry S Caperell, Fred H Warkentine, and Ashley E Neal.
• Pediatr Emerg Care. 2022 Dec 1; 38 (12): e1668e1672e1668-e1672.

ObjectiveThis study sought to determine the impact of cardiac point-of-care ultrasound (cPOCUS) in a pediatric emergency department (ED) on cardiology subspecialty utilization for subjects with chest pain or syncope. Diagnostic yield of cPOCUS and transthoracic echocardiograms (TTEs) for these subjects was also examined.MethodsA retrospective chart review of subjects presenting to a tertiary pediatric ED with chest pain or syncope 1 year before (2015, pre-cPOCUS group) and 1 year after (2017, cPOCUS group) introduction of cPOCUS was conducted. Subjects aged 2 to 18 years evaluated for these symptoms were included. Those with known heart defects, prior abnormal TTE, or asthma exacerbation at presentation were excluded. In both groups, cardiology subspecialty utilization was assessed by determining whether cardiology referrals, cardiology consultations, or follow-up TTEs were completed. Results of TTEs were reviewed and classified as incidental (no follow-up needed), minor (follow-up needed, but intervention unlikely), moderate (nonurgent intervention needed), and severe (hospitalization/urgent intervention needed). Cardiac point-of-care ultrasound results were compared with any follow-up TTEs. Data were analyzed using χ 2 or Student t test as appropriate.ResultsA total of 1230 subjects were analyzed: 595 pre-cPOCUS and 635 cPOCUS group. There was no significant difference in TTEs (42 vs 46), cardiology consultations (36 vs 37), or cardiology referrals (47 vs 37) between groups. Of 67 cPOCUS scans performed, 63 were normal, 3 showed small pericardial effusion, and 2 demonstrated left ventricular dysfunction. Of 88 TTEs in both groups (0.7% subjects), 76 were normal, 5 had incidental, 6 had minor, and 1 had a severe finding present on cPOCUS (0.08% subjects; 95% confidence interval, 0%-0.45%).ConclusionsThe introduction of cPOCUS did not increase cardiology subspecialty utilization in subjects presenting to the pediatric ED with chest pain or syncope. Cardiac point-of-care ultrasound may be useful in evaluating global biventricular systolic function and effusion in this population.Copyright © 2022 Wolters Kluwer Health, Inc. All rights reserved.

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