Falsely Increased i-STAT Chloride Results for Blood Samples with Increased Urea

J. Keith Pinckard, Janet Zahn, Lori Ashby, Curtis A. Parvin, Mitchell G. Scott

Clinical Chemistry · 2001 · 10 citations · 5 references

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Abstract

Decentralized testing is becoming more common as technology lends itself to the development of accurate pointof-care testing devices. The i-STAT System (Abbott) is used at our institution in two same-day outpatient surgery centers to measure electrolytes, urea nitrogen, glucose, and hematocrit in whole blood by use of the "6 cartridge". Our quality assurance program compares results from the i-STAT to those from the central laboratory on a weekly basis. Central laboratory values for sodium, potassium, chloride, glucose, and urea are obtained from plasma of the same heparin-anticoagulated patient sample collected before surgery.

References

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