目的：评价心率变异性在充血性心力衰竭患者的临床应用价值。
Aim: To evaluate clinical value of the heart rate variability in patients with congestive heart failure.
在心力衰竭中很常见的睡眠呼吸障碍，会增高患者的心率变异性。
A sleep-related breathing disorder, common in heart failure, increases one's heart rate variability.
结论检测心率变异性在心力衰竭患者中的变化可反映自主神经功能受损情况，同时为心力衰竭程度的预测和治疗提供有用的参考指标。
Conclusion the changes of HRV in heart failure patients can reflect auto nerve function damage and provide useful reference for the prediction and treatment of heart failure.
离散度；心率变异性；心力衰竭。
Congestive heart failure patients QT dispersion and heart rate variability analysis.
离散度；心率变异性；心力衰竭。
Congestive heart failure patients QT dispersion and heart rate variability analysis.
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