
Dehydration in older people could be accurately identified as part of routine blood testing according to new research. The best test for diagnosing dehydration, known as a serum osmolality test, is expensive and not currently viable for wide-scale NHS screening. But new research published today reveals how routine blood tests for sodium, potassium, urea and glucose could be used to screen for dehydration.
http://www.sciencedaily.com/releases/2015/10/151021215948.htm