The serial electrocardiogram changes in idiopathic dilated cardiomyopathy 扩张型心肌病心电图随病程进展的变化
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Many of these have no known etiology ( so - called " idiopathic dilated cardiomyopathy " ) while others may be associated with chronic alcoholism 很多病例无明显的病因(因此被称为“原发性扩张性心肌病” ) ,其它的病例则可能与长期酗酒有关。