Diagnostic and prognostic significance of QRS-T angle

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Abstract

The angle between the QRS and T vectors reflects the consistency or inconsistency of the processes of de- and repolarization of the ventricles of the heart and is considered one of the indicators of global electrical heterogeneity of myocardium. In recent years, the prognostic value of the QRS-T angle has been demonstrated in relation to total and cardiovascular mortality, both in the population and in various groups of patients. The mechanisms of this phenomenon are not completely clear. The review analyses studies published over the past five years on the relationship between the QRS-T angle and mortality, as well as coronary heart disease and heart failure. Possible mechanisms for increasing the QRS-T angle are discussed. Data are given on the use of the QRS-T angle in diagnostic and prognostic scales, including in combination with other indicators of global electrical heterogeneity of myocardium.

About the authors

E. V. Blinova

National Medical Research Center for Cardiology

Email: tamara-sahnova@mail.ru
ORCID iD: 0000-0001-8725-7084

к.м.н., науч. сотр. отд. новых методов диагностики Института клинической кардиологии им. А.Л. Мясникова

Russian Federation, Moscow

T. A. Sakhnova

National Medical Research Center for Cardiology

Author for correspondence.
Email: tamara-sahnova@mail.ru
ORCID iD: 0000-0002-5543-7184

к.м.н., ст. науч. сотр. отд. новых методов диагностики, ст. науч. сотр. лаб. ЭКГ Института клинической кардиологии им. А.Л. Мясникова

Russian Federation, Moscow

E. S. Yurasova

National Medical Research Center for Cardiology

Email: tamara-sahnova@mail.ru
ORCID iD: 0000-0002-4640-5578

к.м.н., вед. науч. сотр. научно-экспертного отд.

Russian Federation, Moscow

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