For citations:

Timofeev E.V., Kondratiev G.V., Kornishina T.L. Ventricular arrhythmias in a child with a congenital heart tumor: a case report. Russian Journal of Cardiology. 2025;30(13S):6690. (In Russ.) https://doi.org/10.15829/1560-4071-2025-6690. EDN: RPWFRQ