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近年的研究结果表明,对室颤(VF)开始进行治疗干予可能取决于DT(downtime)。也就是VF发生的时间间期。作者用处于VF的11个猪心电图功率谱频率分布的动态特性来确定这里是否存在估计DT所需的信息,用功率谱的中值频率(FM)来跟踪频率分布。在室颤的前十分钟内FM动态必地重复出现,不同个体的差
Recent studies have shown that starting treatment for ventricular fibrillation (VF) may depend on DT (downtime). That is, the time period during which VF occurs. The authors used the dynamic characteristics of the frequency distribution of the 11 porcine electrocardiogram power spectra at VF to determine if there is information needed to estimate DT and the frequency distribution was tracked using the median frequency (FM) of the power spectrum. FM in the first ten minutes of ventricular fibrillation must be repeated, different individuals