QJM Advance Access originally published online on December 15, 2007
QJM 2007 100(12):800; doi:10.1093/qjmed/hcm110
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© The Author 2007. Published by Oxford University Press on behalf of the Association of Physicians. All rights reserved. For Permissions, please email: journals.permissions@oxfordjournals.org
No elevation of blood urea level in a dehydrated patient with central diabetes insipidus
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Sir,
Dehydrated patients usually present with elevated blood urea nitrogen (BUN) concentrations, reflecting a low urine flow rate and increased renal reabsorption of urea. This increased renal reabsorption of urea is thought to owe at least
The Department of Internal Medicine
Shiga University of
Medical Science
Seta Otsu, Shiga
520-2192
Japan
email: toshiro@belle.shiga-med.ac.jp