The balance between acids and bases in the BODY FLUIDS. The pH (HYDROGEN-ION CONCENTRATION) of the arterial BLOOD provides an index for the total body acid-base balance.

Synonyms: Acid-Base Balance, Balance, Acid-Base, Acid-Base Equilibrium, Anion Gaps, Acid Base Balance, Gap, Anion, Anion Gap, Gaps, Anion, Equilibrium, Acid-Base, Acid Base Equilibrium