先天性心脏病

先天性心脏病（简称先心病）是是胎儿时期心脏血管发育异常所致的心血管畸形，其成因主要是由于胎儿发育早期由于遗传、感染、高原缺氧、放射性照射、药毒物作用、母体营养不良、羊膜病变、胎儿受到压迫等因素影响，造成胎儿发育停滞或缺失，和部分本应退化的结构没能正常退化。它是小儿最常见的心脏病，发病率约占出生婴儿的0.8%，其中60%于<1岁死亡。

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Congenital heart disease (CHD abbreviation) yes yes fetal period cardiovascular abnormalities caused by cardiovascular malformations, which are caused mainly due early fetal development due to genetic, infection, high altitude, radioactive radiation, toxic effect of drugs, maternal nutrition poor amniotic disease, oppression and other factors affect the fetus, resulting in fetal development stagnation or missing, and part of the structure could not be degraded normal degradation. It is the most common heart disease in children, the incidence rate of about 0.8% of births, of which 60% in <1 year of age died.

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