Q J Med 2000; 93: 318-319
© 2000 Association of Physicians
Correspondence |
Potassium excretion indices in the diagnostic approach to hypokalaemia
Department of Internal Medicine, Medical School, University of Loannina, Greece.
Sir,
Measurement of urinary potassium excretion is very helpful in the differential diagnosis of both hypokalaemia and hyperkalaemia.1,2 To determine urinary potassium excretion, it is preferable to collect a 24-h urine sample.3 However, this is not feasible in many cases.
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