Non-Invasive Electrophysiological Markers Associated With Long QT Syndrome
- Authors: Ardashev A.V.1, Snezhitskiy V.A.2, Kalatsei L.V.2
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Affiliations:
- Medical Research and Educational Center of Lomonosov Moscow State University
- Educational Institution «Grodno State Medical University»
- Issue: Vol 2, No 1 (2022)
- Pages: 13-22
- Section: Reviews
- URL: https://journal-vniispk.ru/cardar/article/view/100224
- DOI: https://doi.org/10.17816/cardar100224
- ID: 100224
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Abstract
Long QT syndrome (LQTS) is a life-threatening channelopathy, characterized by permanent or transient QT interval prolongation on the 12-lead electrocardiogram and syncope associated with malignant ventricular rhythm disturbances, particularly polymorphic ventricular tachycardia also known as torsade de pointes. Corrected QT (QTc) interval measurement remains the initial source of LQTS diagnosis in any patient, but the «borderline» QTc interval prolongation should induce further investigation. Genetic testing has the greatest value to provide definitive diagnosis in such situations, but it can’t be applied to each patient routinely, putting aside that it can often be incomprehensive, costly or unavailable. The present review discusses the most promising non-invasive electrophysiological markers associated with Long QT syndrome, particularly in absence of visible QT interval prolongation and clinical manifestations.
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##article.viewOnOriginalSite##About the authors
Andrey V. Ardashev
Medical Research and Educational Center of Lomonosov Moscow State University
Email: ardashev@yahoo.com
ORCID iD: 0000-0003-1908-9802
SPIN-code: 9336-4712
MD, PhD, Professor, Head of the Arrhythmology Department of the medical center
Russian Federation, 27, Lomonosovskiy prosp., Moscow, 119234Victor A. Snezhitskiy
Educational Institution «Grodno State Medical University»
Email: vsnezh@mail.ru
ORCID iD: 0000-0002-1706-1243
SPIN-code: 1697-0116
MD, PhD, Professor, Associate Member of the National Academy of Sciences of Belarus
Belarus, 80, Gorkogo street, Grodno, 230029Liudmila V. Kalatsei
Educational Institution «Grodno State Medical University»
Author for correspondence.
Email: lkolotsey@mail.ru
ORCID iD: 0000-0001-5211-709X
SPIN-code: 8435-3422
Assistant, postgraduate student of the Department of Internal Medicine I
Belarus, 80, Gorkogo street, Grodno, 230029References
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