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作者报告84例经手术证实的房间隔缺损(原发孔9例,继发孔74例,混合型1例)的心电图改变,从中探讨原发孔与继发孔缺损的心电图鉴别诊断。
The authors report 84 cases of atrial septal defects confirmed by surgery (primary hole in 9 cases, 74 cases of secondary, mixed 1 case) ECG changes from the primary and secondary defects of the electrocardiogram to explore the differential diagnosis.