total body potassium


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total body potassium

The sum of all the potassium in the human body, used as one indicator of muscle mass. More than half of the potassium in the human body is within skeletal muscle.
See also: potassium
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References in periodicals archive ?
Potassium levels in DKA: Serum potassium levels may be elevated in DKA, but this is misleading because total body potassium will be depleted.
In addition, this may be appropriate when dialysis is not routine and has been for treatment of hyperkalaemia; in which case re-equilibration of elevated total body potassium stores will cause a prolonged and potentially concerning rise in potassium.
Only a small amount of total body potassium is located in the extracellular compartment.
The movement of potassium into or out of cells can impact on the measurement of a serum potassium level without changing total body potassium. A very small "shift" of potassium can greatly affect the serum level (Palmer, Toto, & Alpern, 1997).