目的研究潜在型克山病的临床特征，心脏大小及异常心电图的动态变化。
Objective To study clinical feature, abnormal electrocardiogram (ECG) and heart size of latent Keshan disease (KSD).
方法选择黑龙江省富裕县克山病病区慢型、潜在型克山病患者34例，健康人32例。
Methods 34 patients with KSD and 32 healthy controls were selected from the epidemic area of keshan disease.
本文报告了作者在1972～1991年间所观察到的113例潜在型克山病发生猝死11例。
The paper reports 11 cases of sudden death in 113 patients with latentKeshan disease observed from 1972 to 1991.
结论陕西省黄陵县监测点克山病的检出率呈缓慢上升态势，发病率呈平稳态势，但潜在型克山病仍有新发。
Conclusions the rate of diagnosed Keshan disease is going up slowly, the incidence of Keshan disease is steady, but still has new cases of latent Keshan diseases in Huangling county, Shaanxi province.
结论陕西省黄陵县监测点克山病的检出率呈缓慢上升态势，发病率呈平稳态势，但潜在型克山病仍有新发。
Conclusions the rate of diagnosed Keshan disease is going up slowly, the incidence of Keshan disease is steady, but still has new cases of latent Keshan diseases in Huangling county, Shaanxi province.
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