This is followed by a good, more concise definition: The key term in the definition of platform is 'programmed'. If you can program it, then it's a platform. If you can't, then it's not.. Marc then gets into detail by breaking platforms down into three fundamental approaches or levels:
6 WHO guidelines on drawing blood: best practices in phlebotomy. â¢ capillary sampling (i.e. finger or heel-pricks or, rarely, an ear lobe puncture) for analysis of. capillary blood specimens for all ages; examples include testing of iron levels before blood.
The fingertip may be squeezed to get additional blood to surface. The amount of blood drawn depends on the purpose of the phlebotomy. Blood donors usually contribute a unit of blood (500 mL) in a session. The volume of blood needed for laboratory analysis varies widely with the type of test being conducted. Typically one or several small (5â10 mL) tubes are drawn.