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Chapter 21 - Intravenous Fluids, Minerals and Nutrition

from Section IV - Other Important Drugs

Published online by Cambridge University Press:  26 February 2021

Tom Peck  and
Benjamin Harris
Tom Peck
Affiliation:
Royal Hampshire County Hospital, Winchester and University Hospital Southampton
Benjamin Harris
Affiliation:
Hampshire Hospitals NHS Trust
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Summary

Total body water represents approximately 60% of body weight (45 litres in a 75 kg male). Sixty-six per cent is intracellular water (30 litres), 33% is extracellular (15 litres). The extracellular fluid volume is 25% intravascular (3 litres) and 75% extravascular (interstitial) (12 litres). Total intravascular volume combines intravascular extracellular fluid (3 litres) and cellular components (2 litres).

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Pharmacology for Anaesthesia and Intensive Care , pp. 280 - 294
Publisher: Cambridge University Press
Print publication year: 2021

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