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目的 分析动态心电图长RR间期的诊断与辅助临床诊断的价值。方法 随机抽取24 h动态心电检查患者最长RR间期≥1.5 s的病例为研究对象，采用SAS9.3对数据进行统计分析。结果最长RR间期长度不同心电诊断的疾病不同（P<0.01），多重比较显示，3组间均不同，其中1.5~<2.0 s组中，心电诊断以心律不齐和房早未下传为主；2.0~<4.0 s组中心电诊断以心房颤动为主；≥4 s组中以窦性停搏为主。长RR间期出现的频数不同心电诊断的疾病分布不同（P<0.01），多重比较显示，3组间均不同，其中频数在1~12的心电诊断以心律不齐和房早未下传为主；频数在13~96的心电诊断以心律不齐和心房颤动为主；频数在97以上的心电诊断以心房颤动和窦性心动过缓为主。房早未下传和心律不齐的比重随着长RR间期出现频数的增加逐渐降低，而心房颤动、窦性心动过缓和窦性停搏则相反。Fisher检验显示，睡眠无关比例较大的疾病有心房颤动、心律不齐、房早未下传；其中心律不齐、房早未下传在睡眠相关组中比例也较大。疾病分布以高血压、动脉硬化、冠心病、心房颤动、糖尿病、高脂血症为主；方差分析结果 显示，同一患者患上述1种疾病的最长RR间期长度最小（1.75±0.26）s，其次是患有2种疾病的（1.87±0.48）s，3种及以上者的最大（1.98±0.56）s；RR间期频数也存在上述趋势。结论 最长RR间期长度越长、长RR间期的频数越高提示临床疾病越复杂。
Objective To analyze the value of long RR interval diagnosis and adjuvant clinical diagnosis of ambulatory electrocardiogram. Methods The patients with the longest RR interval ≥1.5 s in 24 h ambulatory ECG examination were randomly selected as the study subjects, and SAS9.3 was used to analyze the data. Results The longest RR interval was different from that of ECG diagnosis (P <0.01). Multiple comparisons showed that all three groups were different. Among 1.5 ~ 2.0 s groups, ECG diagnosis was based on arrhythmia and atrial fibrillation The main diagnosis was central atrial fibrillation in 2.0 ~ & lt; 4.0 s group, and sinus arrest in ≥4 s group. Long RR intervals appear different frequency distribution of different diseases diagnosed by ECG (P <0.01), multiple comparisons showed that among the three groups are different, of which the frequency of 1 to 12 ECG diagnosis of arrhythmia and atrial secundum Chuan-based; frequency of 13 to 96 ECG diagnosis of arrhythmia and atrial fibrillation; frequency of more than 97 ECG diagnosis of atrial fibrillation and sinus bradycardia based. The proportion of patients who failed to download and arrhythmia decreased gradually with the increase of the frequency of long RR interval. However, the rates of atrial fibrillation, sinus bradycardia and sinus arrest were the opposite. Fisher test showed that the proportion of sleep-unrelated diseases with atrial fibrillation, arrhythmia, the room has not been downloaded; which arrhythmia, the room has not yet been downloaded in sleep-related groups also larger. The distribution of the disease mainly included hypertension, arteriosclerosis, coronary heart disease, atrial fibrillation, diabetes and hyperlipidemia. The variance analysis showed that the longest RR interval was the lowest in the same patient (1.75 ± 0.26) s , Followed by (1.87 ± 0.48) s with two diseases, and the maximum (1.98 ± 0.56) s with three or more diseases. The RR interval frequency also showed the above trend. Conclusion The longer the longest RR interval and the longer the RR interval, the more complicated the clinical disease is.