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河南上戈乡是克山病历史重病区,补硒防治已18年,近13年无急、亚急型克山病发病,但自然慢型克山病时有发生。于1990年8月至9月对该病区病情现况进行了调查,方法是:(1)对原有的慢、潜型克山病患者进行全部复查。(2)从全民中筛选有明显心血管疾病症状与体征的患者,并逐一按规定标准进行确诊。
Henan Shangge Township is a serious history of Keshan disease, selenium prevention and treatment has been 18 years, nearly 13 years without acute and subacute Keshan disease, but the natural slow Keshan disease occur from time to time. The condition of the ward was surveyed from August to September 1990 by: (1) Carrying out a complete review of the original patients with latent and latent Keshan disease. (2) Screening patients with obvious symptoms and signs of cardiovascular diseases from all the people and confirming them one by one according to the required standard.