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Abstract

Diagnostic Efficiency of Ambulatory Electrocardiography in Atrial Fibrillation with Long RR Intervals

Author(s): Xiaolin Ke and Xin Qiu*
Department of Cardiology, People’s Hospital of Lujiang County, 1Department of Electrocardiology, The First Affiliated Hospital of University of Science and Technology of China, Anhui Provincial Hospital, Hefei, Anhui 230061, China

Correspondence Address:
Xin Qiu, Department of Electrocardiology, The First Affiliated Hospital of University of Science and Technology of China, Anhui Provincial Hospital, Hefei, Anhui 230061, China, E-mail: xunjiu3961617@163.com


The current research was conducted to evaluate the diagnostic efficiency of ambulatory electrocardiography in atrial fibrillation with long RR intervals. A total of 80 patients with atrial fibrillation with long RR intervals shown by ambulatory electrocardiography who were hospitalized in our institution between January 2020 and December 2022 were recruited. The baseline patient profiles were recorded and the causative factors related to long RR intervals were analyzed. The patients were stratified into a study group (long RR intervals during sleep) and a control group (long RR intervals during non-sleep periods). The mean heart rate, number of prolonged RR episodes and prolonged RR intervals of patients were analyzed. Premature ventricular beats, ventricular escape, and crossover escape were risk factors for atrial fibrillation with long RR intervals (p<0.05). Significantly more patients showed long RR intervals during sleep than during non-sleep periods (p<0.05). Patients with long RR intervals during sleep had a higher heart rate and, fewer and shorter long RR intervals vs. those with long RR intervals during non-sleep periods (p<0.05). Ambulatory electrocardiography in the diagnosis of atrial fibrillation with long RR intervals provides rapid detection of the relevant causative factors and frequency of disease occurrence, thereby allowing accurate assessment of the patient’s condition and the implementation of appropriate therapeutic measures to effectively improve treatment outcomes.

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