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.
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