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高频心电图(High Frequency ECG)从五十年代初由Langner等应用于临床以来,国内外研究者一致认为其心电信号比常规心电图具有较高的保真度。多数研究证明,冠心病人的高频切迹(High Frequency Notching,以下简称HFN)较正常人明显增多,其中有些冠心病人的常规心电
High frequency ECG (High Frequency ECG) Since the early 1950s by Langner et al. Clinical application, domestic and foreign researchers agree that the ECG signal than the conventional ECG with high fidelity. Most studies have shown that patients with coronary heart disease high-frequency notch (High Frequency Notching, hereinafter referred to as HFN) increased significantly more than normal, some of them conventional coronary heart disease