Email this article Long QT Syndrome in Young Athletes
- Authors: Chuprova S.N.1,2, Melnikova I.Y.1
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Affiliations:
- North-Western State Medical University named after I.I. Mechnikov
- Federal State-Financed Institution Pediatric Research and Clinical Center for Infectious Diseases under the Federal Medical Biological Agency
- Issue: Vol 3, No 1 (2023)
- Pages: 41-48
- Section: Case reports
- URL: https://journals.rcsi.science/cardar/article/view/132567
- DOI: https://doi.org/10.17816/cardar321415
- ID: 132567
Cite item
Abstract
Long QT syndrome is a disease associated with a high risk of sudden cardiac (arrhythmic) death. The frequency of sudden cardiac death is approximately 1: 100,000 young athletes, while autopsies often do not detect changes, which indicates a primary arrhythmogenic death. The article describes two clinical cases of young athletes with prolongation of the QT interval. The possible causes of the long QT syndrome and the difficulties of diagnosing this syndrome in children and adolescents involved in sports are discussed. Regardless of the reasons leading to the prolongation of the QT interval, there is a risk of arrhythmic events. Timely diagnosis of long QT syndrome is the way to the primary prevention of sudden cardiac death in young athletes.
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##article.viewOnOriginalSite##About the authors
Svetlana N. Chuprova
North-Western State Medical University named after I.I. Mechnikov; Federal State-Financed Institution Pediatric Research and Clinical Center for Infectious Diseases under the Federal Medical Biological Agency
Author for correspondence.
Email: svetlana_ch_70@mail.ru
ORCID iD: 0000-0002-5661-3389
SPIN-code: 8696-7178
Associate Professor
Russian Federation, Saint Petersburg; Saint PetersburgIrina Yu. Melnikova
North-Western State Medical University named after I.I. Mechnikov
Email: melnikovai@yandex.ru
ORCID iD: 0000-0002-1284-5890
SPIN-code: 8053-1512
Head of the Department
Russian Federation, Saint PetersburgReferences
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Supplementary files
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Fig. 1. 12-lead electrocardiogram in young athlete A., 16 years old
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Fig. 2. 12-lead electrocardiogram (standing) in young athlete A., 16 years old
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Fig. 3. Fragment of Holter ECG monitoring in young athlete A. The maximum duration of the QT interval
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Fig. 4. Fragment of Holter ECG monitoring in young athlete A. Prolongation of the QT interval
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Fig. 5. Fragment of Holter ECG monitoring in young athlete A. Ventricular extrasystoles, trigeminy
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Fig. 6. 12-lead electrocardiogram (standing) in young athlete A., 16 years old, after normalization of potassium concentration in blood serum. QT (V5) = 350 ms (A heart rate of 96 beats per min), QTc = 443 ms.
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Fig. 7. 12-lead electrocardiogram in young athlete Е., 10 years old
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Fig. 8. Fragment of Holter ECG monitoring in young athlete Е. Prolongation of the QT interval
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Fig. 9. Prolongation of the QT interval in the girl’s mother.
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