2006•Qilu yixue zazhiRequires access

AN ANALYSIS OF HEART RATE VARIABILITY IN PATIENTS WITH CORONARY HEART DISEASE

Y Wang

Abstract

ObjectiveTo understand heart rate variability(HRV) in patients with coronary heart disease(CHD) and to study clinical significance of autonomic changes of CHD.MethodsThe parameters of time domain and frequency domain were measured in CHD patients and normal subjects.ResultsThe HRV parameters in patients with CHD were lower than in those of the control group(t=2.49-6.15,P0.05).ConclusionThere is an abnormal autonomic influence on the cardiovascular system in patients with CHD,and its sympathetic tone is predominant.

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Key concepts: Medicine, Heart rate variability, Cardiology, Internal medicine, Coronary heart disease, Heart rate, Clinical significance, Autonomic nervous system