The phenomenon of seasonal pseudohypokalemia: Effects of ambient temperature, plasma glucose and role for sodium-potassium-exchanging-ATPase

Clinical Biochemistry

Volumn 42, Issue 9, 2009, Pages 813-818

  Sodi, Ravinder ^a   Davison, Andrew S ^a   Holmes, Elizabeth ^a   Hine, Trevor J ^a   Roberts, Norman B ^a  

^a ROYAL LIVERPOOL AND BROADGREEN UNIVERSITY HOSPITALS NHS TRUST   (United Kingdom)

Author keywords

Factitious; Potassium; Pseudohypokalemia; Seasonal; Sodium potassium exchanging ATPase; Spurious

Indexed keywords

ADENOSINE TRIPHOSPHATASE (POTASSIUM SODIUM); GLUCOSE; POTASSIUM;

ARTICLE; CONTROLLED STUDY; DISEASE ASSOCIATION; ENVIRONMENTAL TEMPERATURE; GLUCOSE BLOOD LEVEL; HOSPITAL PATIENT; HUMAN; HYPOKALEMIA; INCIDENCE; PRIMARY MEDICAL CARE; PRIORITY JOURNAL; RETROSPECTIVE STUDY; SEASONAL VARIATION; SUMMER;

BLOOD GLUCOSE; DIAZOXIDE; ENZYME ACTIVATION; HUMANS; HYPOKALEMIA; MEMBRANE TRANSPORT MODULATORS; PINACIDIL; POTASSIUM; SODIUM-POTASSIUM-EXCHANGING ATPASE; TEMPERATURE; TOLBUTAMIDE;

EID: 67349160171     PISSN: 00099120     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.clinbiochem.2009.01.024     Document Type: Article

References (10)

1. Narayanan S. The preanalytic phase - an important component of laboratory medicine. Am J Clin Pathol 113 (2000) 429-452
2. Naparstek Y., and Gutman A. Case report: spurious hypokalemia in myeloproliferative disorders. Am J Med Sci 288 (1984) 175-177
3. Masters P.W., Lawson N., Marenah C.B., and Maile L.J. High ambient temperature: a spurious cause of hypokalaemia. BMJ 312 (1996) 1653-1659
4. Ulahannan T.J., McVittie J., and Keenan J. Ambient temperature and potassium concentrations. Lancet 352 (1998) 1680-1681
5. Sinclair D., Briston P., Young R., and Pepin N. Seasonal pseudohyperkalaemia. J Clin Pathol 56 (2003) 385-388
6. The Met Office. UK Weather. http://www.metoffice.gov.uk/climate/uk/ (accessed July 2008).
7. Gibson E. Reference range for potassium concentration is lower in Barbados than Europe. BMJ 313 (1996) 943
8. Trull A.K., Jackson C., Walsh S., Thornton A., Culank L.S., and McHugh J. The perennial problem with potassium. Ann Clin Biochem 41 (2004) 47-52
9. Masters P.W., and Ismail A.A. Minimising factitious hyperkalaemia: samples should be centrifuged after collection in general practice. BMJ 315 (1997) 190
10. Vaidya B., Chan K., Drury J., and Connoly V. A race to the lab. Lancet 359 (2002) 848