A Dark-Brown Serum Sample

[摘要] A 65-year-old woman with congestive heart failure presented for a mitral valve replacement. She experienced excessive bleeding and thrombosis during surgery, with subsequent hemolytic anemia.Serum samples were abnormally dark (Fig. 1). The hemolysis and icteric indices were not increased above the laboratory's threshold for electrolyte measurement; however, the lipemia index was. Upon visual inspection, the sample was not milky or turbid …

[学科分类] 过敏症与临床免疫学