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克山病是一种地方性心肌病。自有记载以来已有70多年历史。20世纪50年代克山病多以急型、亚急型发病为主要表现,而目前克山病患者以潜在型或慢型多见,临床表现多不典型。但病区内
Keshan disease is a endemic cardiomyopathy. More than 70 years of history has been recorded since it was documented. Keshan disease in the 1950s mostly acute and sub-acute onset as the main performance, but Keshan disease is more common in latent or chronic type, clinical manifestations and more atypical. But the ward