0.45% Saline replacement volume formula for hypernatraemia

18/09/2026 by Bob Dunn

The Hypernatraemia page has been updated with a formula for calculating the volume of 0.45% saline required to replace TBW deficits.

Free water deficit formula

Hypernatraemia

Current visitors

Contributors
Associate Professor Robert Dunn

Previous contributors
Associate Professor Meredith Borland
Dr Deborah O'Brien
Dr Stuart Dilley
Dr Jennifer Brookes
Associate Professor Deborah Leach

Formula of the day

Paediatric adenosine - 50 µg/kg first dose, 100 µg/kg second dose, 250 µg/kg third dose (max 12 mg)

Medical wisdom

I am dying with the help of too many physicians. - Alexander the Great

The version of the Manual I use the most is

Version 1
Version 2
I use both versions roughly equally

View Results

Loading ...

Contact us

Venom Publishing, 19A Seaview Road, Tennyson, SA 5022, Australia, venompublishing@bigpond.com, info@temm.com.au, www.venompublishing.com