検索ワード: anticoagulants (英語 - タミル語)

reverse pseudohyperkalemia is when plasma potassium is falsely high but the serum potassium is normal.[24–26] this phenomenon has been reported in samples of patients with leukemia/lymphoma. in one study, the plasma potassium concentration of a sample collected in a lithium heparin tube was 6.0 mmol/l higher than simultaneously measured serum potassium concentration.[26] the degree of increase in potassium was directly related to the amount of heparin. potassium measured using a heparin coated syringe which contains about one-third the amount of heparin in a tube, did not cause an increase in plasma potassium. there was no evidence of hemolysis, suggesting a non-rbc source of potassium. it is postulated that neoplastic wbc membranes are especially sensitive to disruption by heparin, the anticoagulant used for plasma estimations. high values of potassium and lactate dehydrogenase (ldh) in the absence of hemolysis might indicate in-vitro lysis of wbc.
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