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FEATURES OF PATIENTS WITH CHRONIC HEART FAILURE WITH LOW EJECTION FRACTION AND LATE VENTRICULAR POTENTIALS

Tsareva Anastasia Aleksandrovna  (Postgraduate student, Ulyanovsk State University )

Razin Vladimir Aleksandrovich  (Doctor of Medical Sciences, Professor, Ulyanovsk State University )

This paper presents a comparison of blood parameters, type and frequency of heart rhythm disturbances, structural and functional parameters of the heart in patients with and without late ventricular potentials with chronic heart failure with low ejection fraction. 112 patients with chronic heart failure with low ejection fraction were examined. In the study group, 70.5% of patients had registered late ventricular potentials. Patients with registered late ventricular potentials had significantly higher total cholesterol levels (p=0,039), larger left ventricular end-diastolic volume (p=0,021), and significantly lower ejection fraction (p=0.011) and shortening fraction (p=0,049). A direct relationship was found between the Total QRS duration and the number of ventricular tachycardia episodes per day (Kendall Tau Correlations=0,31, p=0,019).

Keywords:Chronic heart failure, ventricular tachycardia, late ventricular potentials, ejection fraction, signal-averaged ECG.
 

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Citation link:
Tsareva A. A., Razin V. A. FEATURES OF PATIENTS WITH CHRONIC HEART FAILURE WITH LOW EJECTION FRACTION AND LATE VENTRICULAR POTENTIALS // Современная наука: актуальные проблемы теории и практики. Серия: Естественные и Технические Науки. -2025. -№04. -С. 279-282 DOI 10.37882/2223-2966.2025.04.48
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