说明：  近10年来的大量研究充分肯定了自主神经活动与心血 管疾病死亡率特别是猝死率之间的关系。同时也公认心率变 异(HRV)是判断自主神经活动的最好的定量指标
(Nearly 10 years of extensive research activities in full recognition of the autonomic nervous and cardiovascular disease mortality rate in particular, the relationship between sudden death. Heart rate variability also recognized (HRV) is the best judge of autonomic nervous activity quantitative index)