低磷血症的诊断应从测定磷的排泄分数(fractional phosphate excretion,FPE)开始。如果低磷血症患者的FPE>15%,那么可以肯定是由于肾磷消耗(renal phosphate wasting)所致。或者先测
1婴幼儿的血磷较高[4.5~8.3mg/dl(1.5~2.65mmol/L,转换因子0.322)],儿童为3.7~5.6mg/dl(1.5~2.65mmol/L),而青春期与成年人为2.5~4.5mg/dl(0.9~1.5mmol/L)。人体的骨骼和骨骼肌无机磷(Pi)占体内无
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