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Chapter 12 - Fluid and Electrolyte Balance

Published online by Cambridge University Press:  24 May 2023

Alan David Kaye
Affiliation:
Louisiana State University School of Medicine
Richard D. Urman
Affiliation:
Brigham and Women’s Hospital, Boston
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Summary

Maintaining fluid and electrolyte balance is one of the mainstays of anesthesia. Often patients present to the operating room with intravascular volume depletion secondary to nil per os (NPO) status, acute bleeding, and recent bowel preparation, as well as with electrolyte abnormalities due to coexisting disease. Physical examination is useful in determining volume status, coupled with static and dynamic hemodynamic monitoring.

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