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室间隔缺损(室缺)乃小儿先心病中最常见者,约占总数的20%;不少其它先心病亦可同时伴有室缺。室缺中约25%可自然闭合,多数为较小缺
Ventricular septal defect (ventricular septal defect) is the most common congenital heart disease in children, accounting for about 20% of the total; many other congenital heart disease can also be accompanied by ventricular vacancies. About 25% of the room can be closed naturally, the majority of smaller missing