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血细胞外液钾钠离子液度的变化与实验时间存在着一定的关系,国外早有报道死后血液钾钠离子含量的变化与死亡时间的关系。有的报道死后血钾含量随死亡时间按比例地增加,特别是在死后3小时以后的变化很明显,但数据相当分散。1959年Jetter等人发现血清钠在死后最初12小时保持稳定,之后才开始下降,而1974年Coe报道血钠在死后立即下降,但其下降速度的个体差异很大,大样本测定的平均下降速度为
There is a certain relationship between the changes of potassium and sodium in blood extracellular fluid and the experimental time. The relationship between the change of potassium and sodium in blood and the time of death has been reported abroad. Some reports of post-mortem potassium levels increase proportionally with time of death, especially after 3 hours of death, but the data are quite fragmented. In 1959, Jetter et al. Found that serum sodium remained stable for the first 12 hours after death but did not begin to decline until 1974, when Coe reported that serum sodium decreased immediately after death, but the individual rate of decline was large and the average Falling speed is