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- Gregor Mayer, Petra Müller, Barbara Pischinger, Eva Seiringer, and Martin Windpessl.
- Klinikum Wels-Grieskirchen, Wels, Austria.
- Clin Med (Lond). 2022 Jul 1; 22 (4): 364365364-365.
AbstractThe differential diagnosis of hyponatraemia is notoriously wide. However, only a minority is acute, ie develops in less than 48 hours. We describe an unusual cause of water intoxication due to toothache. A 30-year-old man with no medical history of note presented in an acute confusional state. Laboratory results disclosed profound hyponatraemia. Urinary indices were consistent with overdrinking, but in the absence of a reliable history, other aetiologies had to be excluded. This case highlights the benefit of a structured approach in the assessment of electrolyte disturbances.© Royal College of Physicians 2022. All rights reserved.
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