12. Sampling
Overview
Introduction
This chapter provides guidelines and recommendations for blood, pleura and
expired air sample collection prior to analysis, i.e. the preanalytical phase, in order
to avoid errors and obtain the most accurate results.
For more comprehensive information regarding blood sampling, see the references
at the end of this chapter.
Contents
This chapter contains the following topics.
Causes of errors in preanalytical phase............................................................ 12-2
Preparation prior to arterial/venous sampling.................................................. 12-5
Preparation prior to capillary sampling............................................................ 12-7
Sampling devices ............................................................................................. 12-8
Storage and preparation prior to analysis......................................................... 12-9
Sampling procedures........................................................................................ 12-12
References........................................................................................................ 12-15