不明原因猝死是30多年来暴发流行于云南部分贫困山区和半山区,以青壮年农民为主要发病人群的一种原因未明的新的地方性心脏疾病[1]。该病发病迅猛,病情变化快,死亡突然,病程短,病死率高,且同发病例少[2]。主要临床表现为心律失常、心源性猝死和急性心力衰竭[3,4]。到目前为止, Sudden death of unknown causes is a new endemic heart disease whose unexplained unexplained causes are young and middle-aged peasants who have been outbreaks for more than 30 years in some impoverished and semi-mountainous areas in Yunnan. The rapid onset of the disease, rapid changes in the disease, sudden death, short course, high mortality, and less with the incidence of cases [2]. The main clinical manifestations of arrhythmia, sudden cardiac death and acute heart failure [3,4]. so far,