TOTAL-BODY POTASSIUM IN THE INFANT

被引：13

作者：

ELLIS, KJ

SHYPAILO, RJ

机构：

[1] USDA/ARS Children's Nutrition Research Center, Department of Pediatrics, Baylor College of Medicine, Houston, 77030-2600, TX

来源：

JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY-ARTICLES | 1992年 / 161卷 / 01期

关键词：

D O I：

10.1007/BF02034880

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

We have examined several whole body counting geometries for exclusive use in total body potassium (TBK) measurements is in preterm infants. This paper describes two counters, one for very-low-birth-weight (VLBW) infants with body weights under 2000 g, and a second counter for larger preterm infants. Both systems use large-volume NaI(Tl) detectors (10.2 cm x 10.2 cm x 45.7 cm) and are operated in a low background room. The standard error for a TBK measurement decreases from 5% at 1 kg body weight to 2% at 4.5 kg weight.

引用

页码：61 / 69

页数：9

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