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BMJ Case Rep. 2013 Apr 30;2013. pii: bcr2013008926. doi: 10.1136/bcr-2013-008926.

Localised normocalcaemic tetany secondary to dehydration in an individual with Gitelman syndrome.

Author information

1
Department of Accident & Emergency, North Middlesex University Hospital, London, Greater London, UK. hkalsi65@gmail.com

Abstract

Dehydration is a common presentation to any emergency department with symptoms ranging from lethargy, confusion, oliguria as well as those specific to the underlying cause. In this case we describe a young patient who following a short history of vomiting and abdominal pain developed carpopedal spasm and distal parasthesia on a background of Gitelman syndrome. Biochemical blood analysis showed a marked hypokalaemia, hypomagnesaemia and mild metabolic alkalosis in addition to a prolonged QTc interval of 592 ms seen on ECG. Following fluid replacement and electrolyte correction his clinical symptoms resolved along with QTc normalisation. This case demonstrates a patient with a rare and interesting renal disorder who presented with typical biochemical and ECG abnormalities in addition to tetany in the presence of normal plasma calcium.

PMID:
23632612
PMCID:
PMC3645820
DOI:
10.1136/bcr-2013-008926
[Indexed for MEDLINE]
Free PMC Article
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