防治研究克山病首先要发现克山病，病区医院是发现克山病的重要地方。近年来，一些克山病病区中出现了一个值得重视的问题：即在克山病发病率、病死率大幅度下降的同时，所谓的“扩张型心肌病”却“集中”发病增多［１］。我所曾对克山病５个重病区县（市）医院进行了心血管病 Prevention and treatment of Keshan disease Keshan disease should first be found, ward hospital is an important place to discover Keshan disease. In recent years, there have been some problems worth noting in some Keshan disease wards: while the incidence of Keshan disease and the case fatality rate have dropped drastically, the so-called dilated cardiomyopathy has increased incidence of “concentration” [1 ]. I have conducted cardiovascular disease in 5 Keshan disease-afflicted county (city) hospitals