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Combined QRS complex and T wave alternans — a new electrocardiographic phenomenon in long QT syndrome: a clinical observation

https://doi.org/10.15829/1560-4071-2024-6036

EDN: RMHMCY

Abstract

A previously undescribed electrocardiographic pattern is presented in a female patient with long QT syndrome in the form of combined QRS complex and T wave alternans. Possible electrophysiological mechanisms and prognostic value are discussed

About the Authors

L. M. Makarov
Federal Scientific and Clinical Center for Children and Adolescents
Russian Federation

Competing Interests:

Moscow



A. G. Akopyan
Federal Scientific and Clinical Center for Children and Adolescents
Russian Federation

Moscow



V. N. Komolyatova
Federal Scientific and Clinical Center for Children and Adolescents
Russian Federation

Moscow



D. A. Besportochny
Federal Scientific and Clinical Center for Children and Adolescents
Russian Federation

Moscow



References

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7. Moss AJ, Zareba W, Benhorin J, et al. ECG T-wave patterns in genetically distinct forms of the hereditary long QT syndrome. Circulation. 1995;92(10):2929-34. doi:10.1161/01.cir.92.10.2929.

8. Schwartz PJ, Priori SG, Spazzolini C, et al. Genotype-phenotype correlation in the long-QT syndrome: gene-specific triggers for life-threatening arrhythmias. Circulation. 2001;103(1):89-95. doi:10.1161/01.cir.103.1.89.


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For citations:


Makarov L.M., Akopyan A.G., Komolyatova V.N., Besportochny D.A. Combined QRS complex and T wave alternans — a new electrocardiographic phenomenon in long QT syndrome: a clinical observation. Russian Journal of Cardiology. 2024;29(10S):6036. (In Russ.) https://doi.org/10.15829/1560-4071-2024-6036. EDN: RMHMCY

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ISSN 1560-4071 (Print)
ISSN 2618-7620 (Online)