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血液作为生命之河,维系着人体的正常代谢、保障生命得以延续。婴幼儿血容量相对少,体重3kg新生儿的血容量仅240mL~300mL,一次失血超过10%就会对身体产生不良影响;而如果一次失血超过20%,将导致新生儿失血性休克。随着医疗技术的发展,循证医学证实血标本已成为疾病诊断的重要媒介,住院患儿根据病情需要接受多项检验项目,一次采血量达数十毫升。针对我院收治的低出生体重儿、危重患儿,数十毫升已达到或超过体
Blood as a river of life, maintaining the body’s normal metabolism, to ensure the continuation of life. Infants and young children relatively small blood volume, weight 3kg neonatal blood volume of only 240mL ~ 300mL, a blood loss of more than 10% will have an adverse effect on the body; and if a loss of blood more than 20%, will lead to neonatal hemorrhagic shock. With the development of medical technology, evidence-based medicine has confirmed that blood samples have become an important medium for disease diagnosis. Children under hospitalization receive a number of test items according to their condition and the blood sampling volume is several tens of milliliters. For our hospital admitted to the low birth weight children, critically ill children, dozens of milliliters have reached or exceeded the body