[Influence of sampling techniques on blood sodium, potassium and hemoglobin concentration measured by a blood gas analyser].


A study was carried out to assess the influence of sampling technique on sodium, potassium and haemoglobin blood concentrations measured simultaneously with a bedside blood gas analyser (Ciba Corning 288) and in the central laboratory. Blood samples from forty intensive care unit patients were used to test cight techniques: capillary tubes (Radiometer… (More)