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
收藏
页码：61 / 69
页数：9
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