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Chronic hypokalaemia--how to establish a diagnosis?
K Kedzierska1, K Ciechanowski, E Gołembiewska
1Department of Nephrology, Transplantology and Internal Medicine, Pomeranian Medical University, Al. Powstańców Wlkp. 72, 70-111 Szczecin, Poland. mikk@sky.pl
Acta Medica Austriaca
|April 2, 2004
Abstract:
We present three cases of patients with symptomatic, chronic, diagnosis-resistant hypokalaemia. Differential diagnosis of renal potassium loss between Gitelman's syndrome, Bartter's syndrome and loop diuretic abuse was made. Key elements in differential diagnosis of chronic hypokalaemia are blood pressure assessment, acid base equilibrium, serum calcium concentration, 24-hour urine potassium and calcium excretion.