John Krahn

Summary

Affiliation: University of Saskatchewan
Country: Canada

Publications

  1. ncbi request reprint Ionized calcium: whole blood, plasma or serum?
    John Krahn
    Department of Pathology and Laboratory Medicine, College of Medicine, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
    Clin Lab 54:185-9. 2008
  2. doi request reprint Thyroglobulin and anti-thyroglobulin assays in thyroid cancer monitoring
    John Krahn
    Department of Pathology and Laboratory Medicine, University of Saskatchewan, Hospital Rm 2841, 103 Hospital Drive, Saskatoon, SK, Canada S7N 0W8
    Clin Biochem 42:416-9. 2009
  3. ncbi request reprint Is osmol gap an effective screen in accurate prediction of toxic volatiles?
    John Krahn
    Department of Pathology and Lab Medicine, College of Medicine, University of Saskatchewan, 103 Hospital Drive, Saskatoon, Canada
    Clin Lab 57:297-303. 2011
  4. doi request reprint Release of cardiac biochemical and inflammatory markers in patients on cardiopulmonary bypass undergoing coronary artery bypass grafting
    Qing H Meng
    Department of Pathology and Laboratory Medicine, Royal University Hospital, University of Saskatchewan, Saskatoon, Saskatchewan, Canada mail
    J Card Surg 23:681-7. 2008
  5. doi request reprint Heat-insoluble cryoglobulin in a patient with essential type II cryoglobulinemia and cryoglobulin-occlusive membranoproliferative glomerulonephritis: case report and literature review
    Qing H Meng
    Department of Pathology and Laboratory Medicine, Royal University Hospital, University of Saskatchewan, 103 Hospital Drive, Saskatoon, SK, Canada S7N 0W8
    Clin Chim Acta 406:170-3. 2009
  6. doi request reprint Elevated lactate in ethylene glycol poisoning: True or false?
    Qing H Meng
    Department of Pathology and Laboratory Medicine, University of Saskatchewan, Saskatoon, Canada
    Clin Chim Acta 411:601-4. 2010
  7. doi request reprint Reverse pseudohyperkalemia in heparin plasma samples from a patient with chronic lymphocytic leukemia
    Qing H Meng
    Department of Pathology and Laboratory Medicine, Royal University Hospital, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
    Clin Biochem 44:728-30. 2011
  8. doi request reprint Lithium heparinised blood-collection tubes give falsely low albumin results with an automated bromcresol green method in haemodialysis patients
    Qing H Meng
    Department of Pathology and Laboratory Medicine, University of Saskatchewan, Saskatoon Health Region, Saskatoon, Canada
    Clin Chem Lab Med 46:396-400. 2008

Detail Information

Publications8

  1. ncbi request reprint Ionized calcium: whole blood, plasma or serum?
    John Krahn
    Department of Pathology and Laboratory Medicine, College of Medicine, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
    Clin Lab 54:185-9. 2008
    ..To determine an optimal specimen type to be used for measurements of ionized calcium (iCa) so that it applies properly to the reference interval. Also to determine the validity of the pH correction that is applied to iCa measurements...
  2. doi request reprint Thyroglobulin and anti-thyroglobulin assays in thyroid cancer monitoring
    John Krahn
    Department of Pathology and Laboratory Medicine, University of Saskatchewan, Hospital Rm 2841, 103 Hospital Drive, Saskatoon, SK, Canada S7N 0W8
    Clin Biochem 42:416-9. 2009
    ..We also wanted to explore the premise that thyroglobulin antibodies, as determined by commercially available assays, interfere with thyroglobulin assays in a predictable way...
  3. ncbi request reprint Is osmol gap an effective screen in accurate prediction of toxic volatiles?
    John Krahn
    Department of Pathology and Lab Medicine, College of Medicine, University of Saskatchewan, 103 Hospital Drive, Saskatoon, Canada
    Clin Lab 57:297-303. 2011
    ..Our study was disappointing since no published literature exists to allow the clinical laboratory to use the osmol gap based on evidenced based studies...
  4. doi request reprint Release of cardiac biochemical and inflammatory markers in patients on cardiopulmonary bypass undergoing coronary artery bypass grafting
    Qing H Meng
    Department of Pathology and Laboratory Medicine, Royal University Hospital, University of Saskatchewan, Saskatoon, Saskatchewan, Canada mail
    J Card Surg 23:681-7. 2008
    ..However, the markers and their release pattern are not well defined. This study was aimed at assessing the release and timing of cardiac biochemical and inflammatory markers in patients undergoing elective CABG with CPB...
  5. doi request reprint Heat-insoluble cryoglobulin in a patient with essential type II cryoglobulinemia and cryoglobulin-occlusive membranoproliferative glomerulonephritis: case report and literature review
    Qing H Meng
    Department of Pathology and Laboratory Medicine, Royal University Hospital, University of Saskatchewan, 103 Hospital Drive, Saskatoon, SK, Canada S7N 0W8
    Clin Chim Acta 406:170-3. 2009
    ..A type of heat-insoluble cryoglobulin has been rarely reported and poorly understood. We report the case of a 79 y-old female who was admitted to hospital due to edema and renal failure...
  6. doi request reprint Elevated lactate in ethylene glycol poisoning: True or false?
    Qing H Meng
    Department of Pathology and Laboratory Medicine, University of Saskatchewan, Saskatoon, Canada
    Clin Chim Acta 411:601-4. 2010
    ..We recently encountered two cases of ethylene glycol poisoning with very high blood lactate concentrations on ABL blood gas analyzers...
  7. doi request reprint Reverse pseudohyperkalemia in heparin plasma samples from a patient with chronic lymphocytic leukemia
    Qing H Meng
    Department of Pathology and Laboratory Medicine, Royal University Hospital, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
    Clin Biochem 44:728-30. 2011
    ..To investigate the spurious high potassium results in heparin plasma...
  8. doi request reprint Lithium heparinised blood-collection tubes give falsely low albumin results with an automated bromcresol green method in haemodialysis patients
    Qing H Meng
    Department of Pathology and Laboratory Medicine, University of Saskatchewan, Saskatoon Health Region, Saskatoon, Canada
    Clin Chem Lab Med 46:396-400. 2008
    ..The aim of this study was to investigate the cause of markedly low albumin values determined by a bromcresol green (BCG) method in patients on haemodialysis...