Having lost interest in the film my wife was watching I read the paper by Ismail et al in the BMJ ( 23/4/05,VOL 330 PAGE 949 ) which disturbed me a bit having recently given two tutorials on hyperkalaemia.It is my view , particularly with the advent of phlebotomy, artifactually raised Potassium is much more common these days whether it be due to poor venepuncture technique or some form of cross-contamination from FBC tubes. Atrifactually raised Potassium must be much commoner than in-vivo haemolysis or am I missing cases? What are the causes of in-vivo haemolyses and how do we identify them? I dont believe we will do clinicians any favours by issuing all Potassium results from haemlysed samples. How do our listeners handle this situation.
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