For citations:

Pshenichnaya E.V., Sosna V.V. Life-threatening cardiac arrhythmia in a teenage girl during spontaneous syncope: a case report. Russian Journal of Cardiology. 2025;30(14S):6681. (In Russ.) https://doi.org/10.15829/1560-4071-2025-6681. EDN: DNCOZY