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Nephrol Dial Transplant (2001) 16: 1066-1068
© 2001 European Renal Association-European Dialysis and Transplant Association

Teaching Points

The tell-tale urinary chloride

(Section Editor: K. Kühn)

Alexander Woywodt, Alena Herrmann, Ute Eisenberger, Anke Schwarz and Hermann Haller

Department of Nephrology, University of Hannover Medical School, Hannover, Germany

Keywords: acid-base disorders; bulimia; hypokalaemia; metabolic alkalosis; renal potassium handling; urinary electrolytes

Introduction

Interpretation of arterial blood gas values is a widely neglected skill. While clinicians routinely order a battery of sophisticated and costly tests to tackle a difficult case, blood gas analysis is rarely utilized. We present a case of profound hypokalaemia in a young woman. Further evaluation initially failed to reveal any of the common causes of hypokalaemia. It was only when arterial blood gas values disclosed severe metabolic alkalosis that an appropriate algorithm revealed a diagnosis.

Case

A 26-year-old female patient presented to her general practitioner with weakness and lassitude of some months duration. Serum potassium was between 2.3 and 2.8 mmol/l on repeated occasions . . . [Full Text of this Article]

Discussion

They suspected!—they knew! [1]
Teaching points

Acknowledgments

Notes

References


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G. Alexandridis, M. Elisaf, A. Woywodt, and A. Herrmann
Renal potassium handling in a patient with surreptitious vomiting
Nephrol. Dial. Transplant., November 1, 2001; 16(11): 2275 - 2275.
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