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目的分析心房颤动(房颤)患者心室率在24 h中的变化特点,以指导临床治疗。方法入选30例持续性房颤患者,用动态心电图记录24 h心电图,在不同的时间段内采样,找出最大心率和最小心率的分布特点。结果持续性房颤患者最大心率及最小心率在白天及夜间分布有明显差异。结论持续性房颤患者心室率呈昼快夜慢的节律变化。
Objective To analyze the changes of ventricular rate in patients with atrial fibrillation (AF) during 24 h to guide the clinical treatment. Methods Thirty patients with persistent AF were enrolled. The electrocardiogram of 24 hours was recorded with a dynamic electrocardiogram and sampled at different time intervals to find out the distribution characteristics of maximum and minimum heart rate. Results The maximal heart rate and minimum heart rate of patients with persistent AF were significantly different during daytime and nighttime distribution. Conclusions The ventricular rate in patients with persistent AF varies from rhythm to day and night.