Evaluation of blood gas and ionized calcium measurement on the i-STAT analyzer

✍ Scribed by T. Mock; T. Moschopedis; T. Irvine; R.W. Yatscoff

• Publisher: Elsevier Science
• Year: 1995
• Tongue: English
• Weight: 99 KB
• Volume: 28
• Category: Article
• ISSN: 0009-9120
• DOI: 10.1016/0009-9120(95)91390-o

✦ Synopsis

Objective To evaluate ionized calcium (cartridge EC6+) and blood gas (pH, pCO z and PO+; eadridge 03 +) measurement on a new thermoregulated version of the i-STAT. Methods The peffonnan~ of the i-STAT was evaluated against the Coming 634 (ionized calcium) and Coming 278 (pH, pCO z, PO,) by mmultaneous assay of randomly selected patient samples and specially lXelmed tonumetered whole blood specimens (total n-40). ReJults The coetticlente of variation (CV) for the measorenumt of ionized calcium were 1.26% and 1.28% at 1.584 mmol/L and 0.782 mmol/ L, reactively. The CVs obtained for the other analytes were as follows: pH (0.04% at pH 7,68 and 0.06% at pH 7.19~, pCO 2 (0.91% at 63.1 mm H8end 1.76% at 17.9 mm HS) end pOz (2.59% at 136.1 mm I-Is and 4.81 % at 68.8 mm HS). Compadson of medmda using iinesr resresmon yielded the foiiowin 8 results: