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Pneumatic transport exacerbates interference of room air contamination in blood gas samples.

Authors
  • Astles, J R
  • Lubarsky, D
  • Loun, B
  • Sedor, F A
  • Toffaletti, J G
Type
Published Article
Journal
Archives of pathology & laboratory medicine
Publication Date
Jul 01, 1996
Volume
120
Issue
7
Pages
642–647
Identifiers
PMID: 8757468
Source
Medline
License
Unknown

Abstract

Interference can be minimized by carefully purging samples of all air bubbles using the following protocol: invert syringe to check for air bubbles, then retap and reexpel bubbles if necessary. Personnel that collect and send blood gas samples via PTS should be educated about the problem of interference. Modifications both to pneumatic sample transport systems and to blood gas syringes should be investigated to minimize the effect.

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