BIẾN THIÊN TẦN SỐ TIM VÀ RỐI LOẠN NHỊP TIM Ở BỆNH NHÂN NHẬP VIỆN VÌ ĐỢT CẤP SUY TIM PHÂN SUẤT TỐNG MÁU GIẢM

Abstract

Objective: Assessment of Arrhythmic Characteristics and Heart Rate Variability on 24-Hour Holter ECG in Patients Hospitalized for Acute Decompensated Heart Failure with Reduced Ejection Fraction at the Vietnam National Heart Institute – Bach Mai Hospital, and Their Associations with Clinical and Paraclinical Features. Methods: A prospective descriptive study involving 107 patients hospitalized for acute decompensated heart failure with reduced ejection fraction at the Vietnam National Heart Institute – Bach Mai Hospital from May 2024 to July 2025. Results: Cardiac arrhythmias in patients hospitalized for acute decompensated heart failure with reduced LVEF are highly prevalent, diverse, and heterogeneous. Reduced HRV in these patients reflects autonomic dysfunction of the heart and is a risk factor for more severe heart failure and prolonged hospitalization.