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Scandinavian Journal of Clinical and Laboratory Investigation Volume 44, 1984 - Issue 1
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Original Article

The concentration of free calcium ions in capillary blood from neonates on a routine basis using the ICA 1

J. Wandrup Department of Clinical Chemistry, Odense University Hospital, Denmark
,
C. Kancir Department of Anaesthesiology, Sønderborg Hospital, Denmark
&
B. Nørgaard-Pedersen Clinical Chemistry, Sønderborg Hospital, Denmark
Pages 19-24 | Received 28 Apr 1983, Accepted 09 Aug 1983, Published online: 08 Jul 2009

References

  • Brown D. M., Boen J., Bernstein A. Serum ionized calcium in newborn infants. Paediatrics 1972; 49: 841
  • David L., Anast C. Calcium metabolism in newborn infants. J. clin. Invest. 1974; 54: 287
  • Fogh-Andersen N. Ionized calcium analyzer with a built-in pH correction. Clin. Chem. 1981; 27: 1264
  • Fogh-Andersen N., Christiansen T. F., Komarmy L., Siggaard-Andersen O. Measurement of free calcium ion in capillary blood and serum. Clin. Chem. 1978; 24: 1545
  • Larsson L., Finnström O., Nielson B., Öhman S. Evaluation of Radiometer ICA 1 as a routine instrument for serum ionized calcium and its application for whole blood capillary samples from newborn infants. Scand. J. clin. Lab. Invest. 1983; 43(suppl. 165)21
  • Meites S. Normal total plasma calcium in the newborn. Crit. Rev. clin. Lab. Sci. 1975; 6: 1
  • Radde I. C., Höffken B., Parkinson D. K., Sheepers J., Luckham A. Practical aspects of a measurement technique for calcium ion activity in plasma. Clin. Chem. 1971; 17: 1002
  • Radiometer A/S. CopenhagenDenmark 1981, Emdrupvej 72, DK 2400 ICA I, Ionized Calcium Analyzer: User's Handbook.
  • Siggaard-Andersen O., Thode J., Wandrup J. The concentration of free calcium ions in blood plasma: “Ionized calcium”. Proc. 5 meeting IFCC expert panel on pH arid blood gases. Private press, Denmark 1980; 163, Radiometer Copenhagen AS 79
  • Thode J., Wandrup J., Aas F., Siggaard-Andersen O. Evaluation of a new semiautomatic electrode system for simultaneous measurement of ionized calcium and pH. Scand. J. clin. Lab. Invest. 1982; 42: 407
  • Tsang R. C., Donovan E. F., Steichen J. J. Calcium physiology and pathology in the neonate. Pediatr. clin. N. Am. 1976; 23: 611
  • Wandrup J., Kjer J. J., Thode J., Siggaard-Andersen O. The concentration of free calcium ions and total calcium in pregnancies at term. Scand. J. Clin. Lab. Invest. 1982; 42: 273

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